| NTN Corporation Patent applications |
| Patent application number | Title | Published |
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| 20120133226 | SLIDE BEARING, SLIDE BEARING UNIT WITH SAME, AND MOTOR WITH THE BEARING UNIT - Provided is a bearing capable of satisfying demands for cost reduction and further quietness, and stably maintaining high support accuracy. A sliding bearing ( | 05-31-2012 |
| 20120128281 | RESIN COMPOSITION AND METHOD FOR PRODUCTION THEREOF, AND ROLLING BEARING AND SLIDING BEARING - It is an object of the present invention to provide a resin composition whose flowability is secured when the resin composition is injection-molded into injection-molded articles such as a resin-made crown-shaped cage and a resin-made seal both for a rolling bearing and a resin-made sliding bearing and which is capable of enhancing the mechanical strengths and toughnesses of these injection-molded articles to such an extent that these injection-molded articles can be used as bearing members. The resin composition is formed into a molded article and used as a bearing member. The resin composition is composed of polyamide resin or polyester resin to which polycarbodiimide is added. The polyamide resin is at least one resin selected from among polyamide 66 resin and polyamide 11 resin. The polyester resin is polytrimethylene terephthalate resin. 0.5 to 6 wt % of the polycarbodiimide is contained in an entirety of the resin composition. A resin-made crown-shaped cage ( | 05-24-2012 |
| 20120126443 | HOUSING FOR FLUID DYNAMIC BEARING DEVICE - Provided is a housing for a resin fluid dynamic bearing device in which deterioration with time of a fixing force for another member is mitigated and which can maintain a high bearing performance for a long period of time. The housing formed of a resin composition exhibiting a compression creep amount of 8% or less when a compressive pressure of 80 MPa is applied for 168 hours at an atmosphere temperature of 80° C., provides a sufficient fixing force for the another member fixed with a press-fitting force, for example, a bearing sleeve press-fitted into an inner periphery of the housing even after a long term use. Thus, there is no fear of fixing positions of the another member with respect to the housing being deviated and a high bearing performance is maintained for a long period of time. | 05-24-2012 |
| 20120116664 | VEHICLE CONTROL DEVICE AND ROTATION DETECTION DEVICE USED IN SAME - A vehicle control device capable of accomplishing a highly reliable vehicle control with the separation distance recognized correctly, even if a reduction or an error of the detecting capability occurs in the result of measurement by a separation distance measuring section for measuring the separation distance with an object such as inter-vehicle gap is provided. The control device includes a rotation detector for detecting the rotational speed of a vehicle wheel and a vehicle movement amount detecting section for detecting the amount of movement of a vehicle from an output signal thereof. The use is made of a separation distance measuring section such as a laser radar for measuring, on a non-contact basis, the separation distance between the vehicle and the object, and of a vehicle movement control section for controlling the movement of the vehicle using the separation distance and the vehicle movement amount. | 05-10-2012 |
| 20120114277 | SENSOR-EQUIPPED BEARING FOR WHEEL - A sensor equipped wheel support bearing assembly for supporting a vehicle wheel rotatably relative to a vehicle body, including an outer member; an inner member; a plurality of rows of rolling elements interposed between the outer and inner member; a strain sensor unit, made up of a strain generating member and a sensor element fitted to the strain generating member for detecting strains induced in the strain generating member, is fitted to one of the outer and inner members, that serves as a stationary member; and a covering member that covers at least the sensor element sealingly, provided on a mounting surface of the strain generating member of the strain sensor unit, on which the sensor element is mounted, the covering member being made of a resin which is over-molded or an elastomer bonded by vulcanization. | 05-10-2012 |
| 20120105055 | ROTATION ANGLE DETECTOR FOR AUTOMOTIVE DRIVE MOTOR AND BEARING ASSEMBLY EQUIPPED WITH THE SAME - Provided is a rotation angle detection device for an automotive vehicle drive motor. The device includes a magnetic encoder including magnetic tracks with different numbers of magnetic poles. The magnetic tracks form coaxial rings. The device also includes magnetic sensors operable to sense the magnetic fields of the magnetic tracks. The magnetic sensors obtain information on a location within a magnetic pole of the magnetic tracks and generate magnetic field signals indicative of respective phases. The device further includes a phase difference determination unit that determines a difference between the respective phases of the magnetic field signals, an angle computation unit that computes an absolute angle of the magnetic encoder, based on the determined difference, and a signal output unit that outputs the computed absolute angle. The magnetic encoder is associated with an output shaft of the drive motor or with a bearing assembly equipped to the drive motor. | 05-03-2012 |
| 20120097470 | STEER-BY-WIRE TYPE STEERING DEVICE - A steer-by-wire steering system includes a steering motor, a steering power transmitting mechanism for transmitting a rotation of the steering motor to a steering axle, a toe angle adjusting motor and a toe angle adjusting power transmitting mechanism for adjusting the toe angle upon rotation of the toe angle adjusting motor. A switching mechanism is provided which operates in such a manner that in the event of failure of the steering motor, the rotation of the toe angle adjusting motor in place of the steering motor is transmitted to the steering power transmitting mechanism to enable a wheel turning, but in the event of failure of the toe angle adjusting motor, the wheel turning is carried out only by the steering motor. A hollow motor is employed for one or both of the steering motor and the toe angle adjusting motor. | 04-26-2012 |
| 20120093447 | SHAFT MEMBER FOR FLUID DYNAMIC BEARING DEVICE - A shaft member for a fluid dynamic bearing device that has a recess to cause a dynamic pressure effect of a fluid in a bearing clearance, which is formed on it by rolling, and where a surface layer portion of the recess and a surface layer portion of a surrounding region of the recess has a nitride layer, and where nitrogen is diffused and penetrated in a material of the shaft member that is formed by nitriding after the rolling. | 04-19-2012 |
| 20120086440 | ROTATION DETECTING DEVICE AND BEARING EQUIPPED WITH ROTATION DETECTING DEVICE - A rotation detecting device, which is compatible regardless of whether a process control device for processing an output signal of the rotation detecting device is standard one or new one having high input signal resolving power, and, also, a rotation detecting device equipped bearing assembly having such rotation detecting device, are provided. The rotation detecting device includes an encoder provided rotatably and having a plurality of circumferentially equidistantly arranged to-be-detected poles, and a sensor for detecting the to-be-detected poles. The use is made of a multiplying unit for multiplying the phase of the to-be-detected poles from an output of the sensor. The use is also made of a pulse outputting unit for receiving an output of the multiplying unit or both the output of the multiplying unit and an output of the sensor and output pulses having two multiplying powers different from each other. | 04-12-2012 |
| 20120083344 | Driving Wheel Bearing Apparatus - A driving wheel bearing apparatus has an inner ring | 04-05-2012 |
| 20120076450 | Bearing Apparatus For A Wheel of Vehicle - A vehicle wheel bearing apparatus has an outer member, an inner member with a wheel hub, and at least one inner ring, double row rolling elements, seals and a rolling bearing fit onto the inner circumference of the wheel hub positioned and secured by a retaining ring. The retaining ring is mounted at an inner side position of a bearing center line. A retaining ring groove, for mounting the retaining ring, is formed with a substantially rectangular cross-section. Outer side and inner side corner portions of the retaining groove are formed with circular arc cross-sections. Each corner portion has a radius of curvature. The radius of curvature of the outer side corner portion is larger than the radius of curvature of the inner side corner portion. | 03-29-2012 |
| 20120043100 | Remote-controlled work robot - A remote controlled work robot including a remote controlled actuator and a support device therefor. The remote controlled actuator includes a spindle guide section of an elongated configuration, a distal end member fitted to a distal end of the spindle guide section through a distal end member coupling structure for alteration in attitude, and a drive unit housing connected with a base end of the spindle guide section. The distal end member rotatably supports a spindle for holding a tool. The support device includes a single degree-of-freedom system, in which the remote controlled actuator has a degree of freedom in one direction, or a multi-degrees-of-freedom system, in which the remote controlled actuator has a two or more degrees of freedom relative to a base on which the support device is installed. A drive source and is also provided for driving the degree-of-freedom system. | 02-23-2012 |
| 20120039552 | SINTERED METAL BEARING, SHAFT MEMBER FOR A PLAIN BEARING UNIT, AND PLAIN BEARING UNIT PROVIDED WITH SAID SHAFT MEMBER - A sintered metal bearing includes: a sintered-metal bearing body formed of a metal different from a metal of a shaft and including a large number of inner pores; and a resin film formed on predetermined parts of a surface of the sintered-metal bearing body and forming a sliding surface. The resin film is formed so that surface openings communicating to the inner pores are kept opened, and resin-film parts adhere to a surface of the shaft. Further, a shaft member used for a sliding bearing unit is incorporated in a sintered-metal sliding bearing including copper mainly or copper and iron, the shaft member including a sliding surface. The shaft member includes: a metal shaft body; and a resin film formed on predetermined parts of a surface of the metal shaft body and forming the sliding surface. The resin film is made of a resin excellent in adhering properties. | 02-16-2012 |
| 20120031219 | Remote-controlled actuator - A remote controlled actuator includes a spindle ( | 02-09-2012 |
| 20120031211 | Shaft Part Formed With A Rolling Groove - A shaft part is formed with a rolling groove ( | 02-09-2012 |
| 20120027332 | ROLLING BEARING, SPINDLE SUPPORT STRUCTURE OF MAIN MOTOR FOR RAILWAY VEHICLE, AND BEARING STRUCTURE - A rolling bearing as a ball bearing comprising an inner ring; an outer ring having the same axial width as said inner ring; balls arranged between said inner ring and said outer ring; and a sealing member having a roughly channel-shaped configuration in cross section projecting from both end faces of said inner ring and said outer ring. A relation between a diameter A of said ball and an axial width W of said inner ring and said outer ring satisfies A/W≧0.4, and a relation between a bearing volume V of said ball bearing and an internal space capacity C of said ball bearing satisfies 0.35≧CN≧0.55. | 02-02-2012 |
| 20120018361 | SOLID-LIQUID SEPARATING METHOD, SOLID-LIQUID SEPARATOR AND SOLIDIFIED PRODUCT - To provide a reliable solid-liquid separating method and apparatus for a slurry, even though the solid component of the slurry is finely divided particles and/or of a shape difficult to entangle, without exudation through gaps in processed portions and, also, with no need to exercise a maintenance work such as replacement of filters, a solid-liquid separating apparatus includes a mold having a cylindrical inner peripheral surface, a gate for opening and closing a second open end of the mold, and a pressing rod slidable into the mold to compress the slurry. Sheet-like fibrous filters are placed on a leading end face of the pressing rod and an inner surface of the gate to seal gaps between the mold and the pressing rod and between the gate and mold. With the filters so placed, the slurry within the mold unit is compressed to provide a solidified product, thereby accomplishing solid-liquid separation. | 01-26-2012 |
| 20120014635 | MECHANICAL COMPONENT AND ROLLING BEARING - An outer ring, an inner ring and a ball serving as mechanical components configuring a deep groove ball bearing are formed of steel containing at least 0.77 mass % and not more than 0.85 mass % of carbon, at least 0.01 mass % and not more than 0.25 mass % of silicon, at least 0.01 mass % and not more than 0.35 mass % of manganese, at least 0.01 mass % and not more than 0.15 mass % of nickel, at least 3.75 mass % and not more than 4.25 mass % of chromium, at least 4 mass % and not more than 4.5 mass % of molybdenum and at least 0.9 mass % and not more than 1.1 mass % of vanadium with a remainder consisting of iron and impurity, and have raceway/rolling contact surfaces, the surface being included in a region having a nitrogen enriched layer having a nitrogen concentration of at least 0.05 mass %, the nitrogen enriched layer having a carbon concentration and the nitrogen concentration, in total, of at least 0.82 mass % and not more than 1.9 mass %. | 01-19-2012 |
| 20120010004 | ROLLING CONTACT MEMBER, ROLLING BEARING, AND METHOD OF PRODUCING ROLLING CONTACT MEMBER - An outer ring, an inner ring and a ball that are a rolling contact member formed of sintered β sialon inexpensive and capable of reliably ensuring sufficient durability, is constituted of a sintered body containing β sialon as a main component and having a remainder formed of an impurity, and the outer ring, the inner ring and the ball have raceway/rolling contact surfaces, i.e., an outer ring raceway surface, an inner ring raceway surface and a ball rolling contact surface included in a portion having an outer ring high density layer, an inner ring high density layer and a ball high density layer higher in density than an inner portion. | 01-12-2012 |
| 20120009852 | WORK FEEDER FOR ROLLER END FACE WORKING MACHINE, ROLLER END FACE WORKING MACHINE AND ROLLERS FOR ROLLER BEARING - Provided are a workpiece feeder for roller end face processing which is capable of feeding a roller to a roller end face processing machine in a stable posture, a roller end face processing machine which is capable of stably and highly accurately processing both end faces of the roller fed by such a workpiece feeder for roller end face processing, and a roller for a rolling bearing processed by such a roller end face processing machine. The workpiece feeder for roller end face processing includes: a carrier ring ( | 01-12-2012 |
| 20120008893 | HAVLED OUTER RING, ROLLER BEARING, AND ROTARY SUPPORT STRUCTURE - A positioning protrusion | 01-12-2012 |
| 20120008888 | FLUID DYNAMIC BEARING DEVICE - A flatness of a part of a component formed of a resin material that faces a thrust bearing gap is easily increased. A housing ( | 01-12-2012 |
| 20120006608 | IN-WHEEL MOTOR DRIVE UNIT - An in-wheel motor drive unit ( | 01-12-2012 |
| 20120003108 | CENTRIFUGAL PUMP APPARATUS - A centrifugal blood pump apparatus includes an impeller provided in a blood chamber, first and second permanent magnets provided in one surface and the other surface of the impeller respectively, a third permanent magnet provided in an inner wall of the blood chamber, and a magnetic element and a coil for driving the impeller to rotate with a diaphragm being interposed. First and second grooves for hydrodynamic bearing different in shape and depth from each other are formed in the inner wall of the blood chamber facing the impeller, and third and fourth grooves for hydrodynamic bearing different in shape and depth from each other are formed in the diaphragm facing the impeller. The second and fourth grooves for hydrodynamic bearing generate high hydrodynamic pressure when the impeller is activated to rotate, while the first and third grooves for hydrodynamic bearing generate high hydrodynamic pressure when the impeller steadily rotates. | 01-05-2012 |
| 20110319912 | NAVIGATION SYSTEM FOR REMOTE-CONTROLLED ACTUATOR - A remote controlled actuator ( | 12-29-2011 |
| 20110319219 | DECELERATOR - An in-wheel motor drive unit ( | 12-29-2011 |
| 20110317949 | SINTERED METALLIC BEARING AND FLUID DYNAMIC BEARING DEVICE EQUIPPED WITH THE BEARING - A sintered metal bearing is obtained by compression-molding of a raw-material powder containing at least a Cu powder, an SUS powder, and a pure Fe powder and thereafter sintering a compression-molded body at a predetermined temperature. | 12-29-2011 |
| 20110311173 | Rolling bearing - The present invention provides a rolling bearing which is excellent in high-temperatures and high-speed durability and quietness, is capable of effectively preventing hydrogen brittleness-caused peeling from occurring on a rolling surface thereof, and has a low environmental load. A rolling bearing ( | 12-22-2011 |
| 20110304197 | Wheel Bearing Apparatus - A wheel bearing apparatus has an outer member formed with double row outer raceway surfaces on its inner circumferential surface. An inner member includes a wheel hub with a wheel mounting flange integrally formed at one end and a cylindrical portion axially extending from the wheel mounting flange. At least one inner ring is fit onto the cylindrical portion of the wheel hub. The inner ring is formed with double row inner raceway surfaces on its outer circumferential surface. The double row inner raceway surfaces are arranged opposite to the double row outer raceway surfaces. Double row rolling elements are rollably arranged between the outer and inner raceway surfaces, via cages. A seal is mounted on one end of the outer member. The seal has integrally formed side lips adapted to be in sliding contact with the wheel hub. The base of the wheel mounting flange is formed to have a curved surface, in cross-section, of a circular arc. The seal has three inclined side lips each extending radially outward from the seal body. The lips are adapted to be in sliding contact with the base of the wheel mounting flange. Interference of the side lips against the base of the wheel mounting flange is set so that the radially inner side lip has a smaller interference than that of the radially outer side lips, in order. | 12-15-2011 |
| 20110296896 | HOUSING FOR FLUID LUBRICATION BEARING APPARATUSES, A HOUSING FOR HYDRODYNAMIC BEARING APPARATUSES, AND A METHOD FOR PRODUCING THE SAME - A fluid lubrication bearing apparatus which can stably produce high bearing performance is provided at low costs. Moreover, a method for producing a housing for hydrodynamic bearing apparatuses which can improve the accuracy of form of the housing of this type at low costs is provided. | 12-08-2011 |
| 20110295263 | Navigation System For Remote-Controlled Actuator - A remote controlled actuator ( | 12-01-2011 |
| 20110291780 | Method of magnetizing magnetic encoder and magnetizing apparatus - A magnetic encoder magnetizing method, in which magnetization of the plural neighboring tracks of the magnetic encoder can be accurately performed, is provided. While an annular magnetic body having a plurality of annular, unmagnetized magnetic encoder tracks integral therewith and juxtaposed relative to each other is rotated, the tracks of the magnetic encoder are individually magnetized by a magnetizing head, made up of a magnetizing yoke and an exciting coil, to thereby provide the magnetic encoder. In the practice of this magnetizing method, when one of the tracks of the magnetic encoder is magnetized, the other track is covered with a magnetic shielding mask. | 12-01-2011 |
| 20110280508 | THRUST BEARING COMPONENT - A thrust bearing component is formed of cold-reduced steel sheets and strip having surface roughness of Rmax≦2 μm and provided by cold rolling a high-carbon steel containing 0.9 wt % to 1.2 wt % of carbon, 1.2 wt % to 1.7 wt % of chrome, 0.1 wt % to 0.5 wt % of manganese, and 0.15 wt % to 0.35 wt % of silicon. | 11-17-2011 |
| 20110277291 | APPARATUS FOR MANUFACTURING HYDRO DYNAMIC BEARING DEVICE - An apparatus for manufacturing a hydro dynamic bearing device is provided for the finishing treatment of lubricating oil after lubricating the hydro dynamic bearing device, specifically for properly and effectively wiping off the lubricating oil adhering to the outside of the housing and adjusting the oil-level height of the lubricating oil filled in the housing. | 11-17-2011 |
| 20110262891 | Microinjection apparatus and microinjection method - A microinjection apparatus is designed to introduce the transfecting material into the transductant by inserting a minute injection needle ( | 10-27-2011 |
| 20110262069 | Wheel Bearing Seal And A Wheel Bearing Apparatus Provided With The Wheel Bearing Seal - A wheel bearing seal ( | 10-27-2011 |
| 20110254356 | Wheel Bearing Apparatus Incorporated With A Wheel Speed Detecting Apparatus - A wheel speed detecting apparatus incorporating a wheel speed detecting apparatus has an inner ring axially secured on a wheel hub. A protecting cover, with a substantially dish-shaped configuration, is press-formed from a non-magnetic austenitic stainless steel sheet. The cover includes a cylindrical fitting portion adapted to be fit onto the outer member. A disc-shaped shielding portion extends radially inward from the fitting portion. A bottom portion extends from the shielding portion, via an inclined portion, to close the inner side end of the inner member. The protecting cover is positioned to abut against a stepped portion formed on the end face or the inner circumference of the outer member. | 10-20-2011 |
| 20110249931 | ROLLER BEARING, MAIN SHAFT SUPPORT STRUCTURE OF WIND POWER GENERATOR, AND METHOD FOR ADJUSTING CIRCUMFERENTIAL CLEARANCE BETWEEN RETAINER SEGMENTS OF ROLLER BEARING - A tapered roller bearing ( | 10-13-2011 |
| 20110243489 | Machine Component and super-finishing method therefor - A surface shape of a machining surface ( | 10-06-2011 |
| 20110235958 | Wheel Bearing Apparatus For A Vehicle - A vehicle wheel bearing apparatus has an outer member, an inner member, and double row balls contained between the outer and inner raceway surfaces and adapted to be applied a predetermined contact angle. Each inner raceway surface is formed by a first circular arc section, with a first radius of curvature (r), that extends from a position near a contact point contacting the ball at an initial contact angle (α) to the raceway bottom. The second circular arc section, with a second radius of curvature (r | 09-29-2011 |
| 20110230868 | REMOTE-CONTROLLED ACTUATOR - A remote-controlled actuator includes a spindle guide section of an elongated shape, a distal end member fitted to a distal end of the spindle guide section for alteration in attitude and rotatably supporting a tool, and a drive unit housing having a base end of the spindle guide section connected therewith. A rotary shaft for transmitting rotation of a tool rotation drive source within the drive unit housing to the tool and an attitude altering member for altering the attitude of the distal end member by the drive of an attitude altering drive source within the drive unit housing are accommodated within the spindle guide section. A cutting force estimator is provided for estimating the magnitude of at least one component force of a principle force, a radial force and a feed force in a cutting force which the tool applies to a work to be processed. | 09-22-2011 |
| 20110222811 | RETAINER-EQUIPPED ROLLER - A retainer-equipped roller includes a retainer ( | 09-15-2011 |
| 20110222805 | SEAL EQUIPPED BEARING ASSEMBLY - A seal equipped bearing assembly including an outer ring ( | 09-15-2011 |
| 20110216992 | ELECTROFORMED BEARING AND METHOD OF MANUFACTURING SAME - Fine particles ( | 09-08-2011 |
| 20110214513 | Sensor-equipped bearing for wheel - A sensor equipped wheel support bearing assembly, in which the load imposed on the wheel support bearing assembly or a tire tread of a wheel tire can be accurately detected without being affected by the rolling elements, includes rolling elements interposed between plural opposed rolling surfaces defined in outer and inner members. One of the outer and inner members that serves as a stationary member is provided with one or more sensor unit. The sensor unit includes a strain generating member, having two or more contact fixing segments fixed to the stationary member, and a sensor for detecting such strain. The strain generating member in the sensor unit is arranged at a position departing from a line passing through a center of the rolling elements and extending in a direction defined by the rolling element contact angle. | 09-08-2011 |
| 20110209562 | Sensor-equipped bearing for wheel - A wheel support bearing assembly includes rolling elements ( | 09-01-2011 |
| 20110207535 | Grease, rolling bearing, constant velocity joint, and rolling parts - The present invention provides grease which prevents frictional wear on a lubricating surface and excellent in performance of preventing occurrence of flaking, heat-resistant performance, and long-term durability, a grease-enclosed rolling bearing, a constant velocity joint, and rolling parts. Grease is composed of base grease, essentially containing a thickener, to which at least 0.01 to 15 wt % of one substance selected from among bismuth and inorganic bismuth compounds is added. The inorganic bismuth compounds are at least one inorganic bismuth selected from among bismuth sulfate, bismuth trioxide, bismuth carbonate, and sodium bismuthate. The above-described grease is used for the rolling bearing and the constant velocity joint. A coating film of at least one substance selected from among the bismuth and the inorganic bismuth is formed on surfaces of the rolling parts. | 08-25-2011 |
| 20110206308 | Wheel Bearing Apparatus For A Vehicle - A vehicle wheel bearing apparatus has an outer member, an inner member, double row balls freely rollably contained between the inner raceway surfaces and the outer raceway surfaces, respectively, of the inner member and the outer member. The inner ring is axially secured relative to the wheel hub by a caulked portion. A tapered auxiliary raceway surface is formed on the outer circumference of the inner ring near its inner raceway surface. A chamfered portion is formed between the outer circumference and the caulked end face of the inner ring. The chamfered portion has a circular arc cross-section. The radius of curvature of the circular arc cross-section of the chamfered portion is set within a range of R1.2-R3.0 mm. | 08-25-2011 |
| 20110206307 | Wheel Bearing Apparatus For A Vehicle - A vehicle wheel bearing apparatus has an outer member; an inner member and double row balls freely rollably contained between outer raceway surfaces and inner raceway surfaces. An inner ring is axially secured relative to a wheel hub by a caulked portion. The caulked portion is formed by plastically deforming the cylindrical portion radially outward. The wheel hub is formed from medium-high carbon steel including carbon of 0.40-0.80% by weight and with a ferrite grain size number selected larger than #3. | 08-25-2011 |
| 20110206305 | SINTERED BEARING - With use of separated alloy powder ( | 08-25-2011 |
| 20110203825 | REMOTE-CONTROLLED ACTUATOR - A remote controlled actuator includes an elongated spindle guide section and a distal end member fitted to a distal end thereof for alteration in attitude. The distal end member rotatably supports a spindle for holding a tool. The spindle guide section includes a rotary shaft for transmitting rotation of a tool rotation drive source to the spindle. An attitude altering member inserted in a guide hole is selectively advanced or retracted by an attitude control drive source. An initial attitude hold control unit controls the attitude control drive source so that an initial attitude holding force necessary to maintain the distal end member in the initial attitude can be applied to the attitude altering member. An attitude alteration control unit controls the attitude control drive source so that the attitude of the distal end member can be altered by a force larger than the initial attitude holding force. | 08-25-2011 |
| 20110199081 | BARKHAUSEN NOISE INSPECTION APPARATUS AND INSPECTION METHOD - A Barkhausen noise inspection device of the present invention includes a detecting head ( | 08-18-2011 |
| 20110194797 | Wheel Bearing Apparatus For A Vehicle - A vehicle wheel bearing apparatus has an outer member, an inner member and double row rolling elements. A wheel mounting flange is integrally formed on a driving side of the inner member for mounting a wheel via a brake rotor. Through apertures are formed on the wheel mounting flange. Hollow pins, having a chamfered portion, are press-fit into the through apertures. The brake rotor is formed with insert apertures to receive the pins, at positions respectively corresponding to the hub bolts and pins. The brake rotor can be temporarily mounted on the wheel mounting flange by inserting or press-fitting the chamfered end sides of the pins into the insert apertures. | 08-11-2011 |
| 20110193553 | Magnetic array sensor circuit to process an output from a magnetic sensor array - A magnetic array sensor circuit to process an output from a magnetic sensor array including a plurality of magnetic sensor elements arranged in an array. The circuit includes a regulating circuit to reduce an offset variation of the output from the magnetic sensor elements arranged in the array. | 08-11-2011 |
| 20110192694 | TORQUE LIMITER - In a spring type torque limiter, it is proposed to prevent the cut end portions of the coil spring fitted on the inner ring from causing chatter of the torque limiter, even if the cut end portions of the coil spring are separated from the radially outer surface of the inner ring in order to prevent burrs remaining on the cut end portions of the coil spring from contacting the radially outer surface of the inner ring. The first cut end portion ( | 08-11-2011 |
| 20110188792 | Bearing Apparatus For A Wheel Of Vehicle - A vehicle wheel bearing apparatus which reduces the weight, size and number of parts and also prevents ingress of rain water or dusts and leakage of differential gear oil has an axle housing supported under a body of a vehicle. A hollow drive shaft is inserted into the axle housing. A wheel bearing is arranged between the drive shaft and an opening of the axle housing and is structured as a unit including a wheel hub and a double row rolling bearing. The wheel bearing includes an inner member with a wheel hub integrally formed with a wheel mounting flange on one end and an axially extending cylindrical portion. At least one inner ring is press-fit onto the cylindrical portion of the wheel hub. The inner ring is formed with at least one of the inner raceway surfaces on its outer circumferential surface. An outer member is arranged around the inner member and formed with double row outer raceway surfaces on its inner circumferential surface opposite to the inner raceway surfaces. Double row rolling elements are arranged between the inner and outer raceway surfaces of the inner member and the outer member. A cage freely rollably holds the rolling elements. Seals seal an annular space between the inner member and the outer member. A cap, having a metal core formed from steel, is press-fit into an end of a central bore of the wheel hub. | 08-04-2011 |
| 20110185823 | Sensor-equipped bearing for wheel - A sensor equipped wheel support bearing assembly includes rolling elements ( | 08-04-2011 |
| 20110179894 | REMOTE-CONTROLLED ACTUATOR - A remote controlled actuator includes a spindle guide section of an elongated configuration, a distal end member fitted to a tip end of the spindle guide section for alteration in attitude, and a drive unit housing to which a base end of the spindle guide section is connected. The distal end member rotatably supports a spindle then holding a tool. The spindle guide section includes a hollow outer shell pipe, a rotary shaft and a guide pipe, and an attitude altering member for altering an attitude of the distal end member is inserted within the guide pipe. A hollow of the outer shell pipe includes a round hole portion at a center and a grooved portion depressed radially outwardly from the round hole portion. The rotary shaft is arranged within the round hole portion whereas the guide pipe is arranged within the grooved portion. | 07-28-2011 |
| 20110176758 | FLUID DYNAMIC BEARING DEVICE - In order to easily and inexpensively manufacture a shaft member provided with a flange, which is capable of stably yielding excellent bearing performance, a shaft member ( | 07-21-2011 |
| 20110175475 | ELECTRIC MOTOR DRIVE DEVICE - An electric motor drive device ( | 07-21-2011 |
| 20110170813 | FLUID DYNAMIC BEARING DEVICE AND MANUFACTURING METHOD THEREFOR - To increase fixation strength of a bearing sleeve with respect to a bottomed cylindrical housing, a fluid dynamic bearing device ( | 07-14-2011 |
| 20110170810 | ELECTRICALLY CONDUCTIVE POLYETHYLENE RESIN COMPOSITION, ELECTRICALLY CONDUCTIVE POLYETHYLENE RESIN MOLDING SLIDING BEARING, AND SLIDING SHEET - The present invention provides an electrically conductive polyethylene resin composition having a stable volume resistance value and in addition, a low-friction property and a wear-resistant property and a resin molding, a sliding bearing, and a sliding sheet made of the electrically conductive polyethylene resin composition. The electrically conductive polyethylene resin composition contains 100 parts by weight of ultra-high-molecular-weight polyethylene resin which cannot be injection-molded and has a weight average molecular weight of one million to four millions, 2 to 15 parts by weight of Ketjenblack, and 0.5 to 5 parts by weight of at least one powder, having an average particle size of 1 to 30 μm, which is selected from among polytetrafluoroethylene resin powder, graphite powder, and silicone resin powder. | 07-14-2011 |
| 20110160384 | INJECTION MOLDED ARTICLE, RESIN-MADE SLIDING BEARING, RESIN-MADE GEAR, RESIN-MADE CROWN-SHAPED CAGE, RESIN-MADE SEAL AND ROLLING - It is an object of the present invention to provide an injection-molded article such as a resin-made cage, a resin-made seal, a resin-made sliding bearing, and a resin-made gear having reliable flowability, enhanced mechanical strength and toughness, and improved wear resistance. A resin composition is composed of a biodegradable polyester polymer particularly polybutylene succinate to which not less than 10 wt % nor more than 40 wt % of a fibrous inorganic reinforcing material and not less than 0.5 wt % nor more than 10 wt % of polycarbodiimide resin are added. The injection-molded article is obtained by injection molding the resin composition. | 06-30-2011 |
| 20110158570 | ROTATION DETECTING DEVICE AND BEARING WITH ROTATION DETECTING DEVICE - A rotation detecting device, which is simple in structure and capable of detecting the absolute angle accurately with a high resolution, includes a plurality of ring-shaped magnetic encoders provided concentrically with each other and having different numbers of magnetic poles, each of the magnetic encoders having a magnetization row pattern with magnetic poles arranged circumferentially thereof; a plurality of magnetic sensors each operable to detect a magnetic field emanating from the corresponding magnetic encoder; and an angle calculating unit for determining an absolute angle of the magnetic encoders based on magnetic field signals detected by the magnetic sensors; in which the magnetic encoders are fitted to at least one core metal that is formed integrally with a projection portion protruding towards an encoder support surface side, on which the magnetic encoders are mounted, the projection portion being situated between the neighboring magnetic encoders. | 06-30-2011 |
| 20110156510 | VEHICLE DRIVE MOTOR - A vehicle drive motor, capable of efficiently cooling the motor stator without being accompanied by an increase in size, includes a stator having an annular stator core, provided in an inner periphery of a tubular motor casing, and a stator coil provided in the stator core, and a rotor on an inner side of the stator core and rotatable relative to the stator. The motor casing includes an oil supply passage and an oil discharge passage in the motor casing and opening at an inner diametric surface of the motor casing, which are opposite axially to each other. Stator core grooves communicated with the oil supply passage and the oil discharge passage extend axially in an outer diametric surface of the stator core. Accordingly, lubricant oil may flow from the oil supply passage towards the oil discharge passage through the stator core groove. | 06-30-2011 |
| 20110142387 | SINTERED BEARING AND MANUFACTURING METHOD FOR THE SAME - Impregnation of a resin into a sintered body ( | 06-16-2011 |
| 20110138962 | REMOTE-CONTROLLED ACTUATOR - A remote controlled actuator includes a spindle guide section ( | 06-16-2011 |
| 20110136578 | GREASE COMPOSITION AND GREASE COMPOSITION-ENCLOSED ROLLING BEARING AND UNIVERSAL JOINT - It is an object of the present invention to provide a grease composition ( | 06-09-2011 |
| 20110135237 | Retained roller assembly - A retained roller assembly, capable of facilitating the lubricating functionality, includes a cylindrical roller retainer having a plurality of pockets defined therein and arranged in a circumferential direction thereof, rollers accommodated within those pockets, respectively, and a roller retaining projection formed in opening edges of side faces, opposite to each other in the circumferential direction and situated on an inner diametric side and an outer diametric side, respectively. A roller guide face for guiding the corresponding roller is provided at an axial position on the side faces of each of the pockets that are different from the associated roller retaining projection. An annular recessed portion is provided in axially opposed ends of an inner diametric surface of the retainer so as to deploy over the entire periphery of the retainer. | 06-09-2011 |
| 20110135236 | Reusable bearing and reuse method thereof - A reusable bearing that can be easily reused without accompanying any problem associated with reduction in performance is provided. The reusable bearing ( | 06-09-2011 |
| 20110135229 | ROLLING BEARING - The present invention provides a rolling bearing in which a film formed on a surface of a cage is not likely to dissolve even when the rolling bearing is used in environment where the rolling bearing contacts lubricating oil containing sulfur-based additives and which is excellent in its sliding property and wear resistance. A needle roller bearing ( | 06-09-2011 |
| 20110132304 | CAM FOLLOWER FOR ROCKER ARM AND CAM FOLLOWER DEVICE - A cam follower for a rocker arm includes a cylindrical outer ring ( | 06-09-2011 |
| 20110125421 | WHEEL BEARING WITH SENSOR - A sensor-equipped wheel support bearing assembly capable of accurately detecting the load acting on the bearing assembly is provided. The sensor-equipped wheel support bearing assembly includes a sensor unit in an outer member that serves as a stationary member. The sensor unit includes a strain generating member, having two or more contact fixing segments to be fixed to the stationary member, and two or more sensors for detecting strain in the strain generating member. The contact fixing segments are spaced from each other in a direction circumferentially of the stationary member at the same axial positions. An estimating section is provided in the bearing assembly for estimating load thereon based on the difference between respective output signals from the sensors by calculating amplitudes of the output signals or values corresponding to such amplitudes from the difference between the respective output signals. | 05-26-2011 |
| 20110097025 | FLUID DYNAMIC BEARING DEVICE - In order to improve retention strength of a lid member without increase in size and reduction in bearing property of a bearing device, a fluid dynamic bearing device ( | 04-28-2011 |
| 20110095632 | MECHANICAL PART AND MANUFACTURING METHOD FOR THE SAME - Reliability of a mechanical part including two parts fixed to each other by an anaerobic adhesive is improved, at least one of the two parts being made of a resin material. After UV treatment is performed on an adhesive surface ( | 04-28-2011 |
| 20110091144 | ROLLER BEARING CAGE, ROLLER BEARING, AND METHOD FOR PRODUCING ROLLER BEARING CAGE - In a step of forming a roller bearing cage ( | 04-21-2011 |
| 20110088506 | PUMP TAPPET - A pump tappet ( | 04-21-2011 |
| 20110086785 | GREASE COMPOSITION FOR AUTOMOBILE WHEEL BEARING - The present invention provides a grease composition for automobile wheel bearings, which contains (a) an urea thickener represented by general formula (1); R | 04-14-2011 |
| 20110085756 | SWING BEARING AND METHOD OF PROCESSING RACEWAY GROOVE OF THE SAME - A swing bearing assembly includes a plurality of balls ( | 04-14-2011 |
| 20110082000 | CYCLOIDAL SPEED REDUCER, IN-WHEEL MOTOR DRIVE DEVICE, AND VEHICLE MOTOR DRIVE DEVICE - A speed reducer part B of an in-wheel motor drive device ( | 04-07-2011 |
| 20110081106 | MANUFACTURING METHOD OF THIN COMPONENT, BEARING RING, THRUST NEEDLE ROLLER BEARING, MANUFACTURING METHOD OF ROLLING BEARING RING, ROLLING BEARING RING, AND ROLLING BEARING - A manufacturing method of a thin component is characterized by heating a thin component, and thereafter, while sizing with molds and using molds as cooling media, performing one of quenching and isothermal transformation processes on thin component. Thus, a manufacturing method of a thin component without warping or deformation in heat treatment with even and high hardness, a bearing ring, a thrust needle roller bearing, a manufacturing method of a rolling bearing ring, a rolling bearing ring, and a rolling bearing can be obtained. | 04-07-2011 |
| 20110077089 | Driving Wheel Bearing Apparatus - A driving wheel bearing apparatus has an inner ring | 03-31-2011 |
| 20110074233 | COOLING STRUCTURE OF MOTOR - An internal cooling structure for a motor, which is effective to remove the heat in the rotor to achieve high cooling effect is provided. The motor includes a stator having a stator coil and a stator core, and a rotor positioned on an inner side of the stator core. The rotor includes a tubular rotor spindle on a rotor drive shaft, and the rotor core is fitted to the rotor spindle. A cooling space is defined between the rotor drive shaft and the rotor spindle. An inner peripheral surface of the rotor spindle confronting the cooling space has tapered shape having large diameter at an end portion. An oil feed passage for a cooling oil is defined inside the rotor drive shaft, and a cooling oil discharge port of such oil feed passage is formed in the rotor drive shaft confronting the cooling space. | 03-31-2011 |
| 20110069919 | Bearing Apparatus For A Wheel of Vehicle - A vehicle wheel bearing apparatus with a back-to-back double row tapered roller bearing has an outer member integrally with a body mounting flange and double row outer raceway surfaces tapered open respectively axially inward and outward. An inner member include a wheel hub and an inner ring or an outer joint member of a constant velocity universal joint. The wheel hub has a wheel mounting flange and one inner raceway surface arranged oppositely to one of the double row outer raceway surfaces and a cylindrical portion. The inner ring or the outer joint member of a constant velocity universal joint are press fit onto the cylindrical portion and include the other inner raceway surface arranged opposite to the other raceway surface of the double row outer raceway surfaces. Double row tapered rollers are freely rollably held between the outer and inner raceway surfaces by cages. Seals are arranged in annular openings formed by the outer and inner members. The cages are formed of synthetic resin. Posts between pockets of the cages are arranged to be positioned radially inward of the pitch circle diameter of the tapered rollers. The width of an opening radially inward of each pocket is set so that each tapered roller is held within the pocket. The contacting tapered surfaces of the posts open radially outward so that the rollers do not fall out radially inward. | 03-24-2011 |
| 20110061238 | Method For Forming A Wheel Bearing Apparatus - A method for forming a wheel bearing apparatus where the end portion of the cylindrical portion is pre-formed as a cylinder prior to its plastic deformation to form the caulking portion. A caulking tool with a punch and a swing shaft abuts against the end portion of the cylinder at a predetermined inclined angle relative to the inner circumferential surface of the cylinder. Teeth on the punch form the face-spline by plastically deforming the end face of the caulking portion. The swing shaft central axis is inclined at an angle relative to a central axis of the wheel hub. The face-spline is formed simultaneously with the formation of the caulking portion by advancing the caulking tool toward the wheel hub. A main shaft is rotated to cause a swing motion of the caulking tool. | 03-17-2011 |
| 20110059875 | GREASE COMPOSITION FOR CONSTANT VELOCITY JOINT AND THE CONSTANT VELOCITY JOINT - The invention provides a grease composition that can improve the durability and the temperature control properties of constant velocity joints and reduce the rotating torque at low temperatures, and a constant velocity joint where the above-mentioned grease composition is packed. The grease composition for constant velocity joints includes (a) a base oil containing a synthetic oil, (b) a thickener, (c) zinc dithiophosphate, (d) molybdenum dialkyl dithiocarbamate sulfide, and (e) zinc dialkyl dithiocarbamate. | 03-10-2011 |
| 20110057527 | HYDRODYNAMIC TYPE OIL-IMPREGNATED SINTERED BEARING - A hydrodynamic type oil-impregnated sintered bearing includes a porous bearing body of sintered metal having a bearing surface in which hydrodynamic pressure generating grooves slating against an axial direction are provided. Lubricating oil or the base oil of lubricating grease to be impregnated into the bearing body is selected from among (a) mixtures of poly-α-olefin or hydrogenated compound thereof and ester and (b) ester. The ester is preferably polyol ester. In the cases of the lubricating grease, the thickener of the lubricating grease is preferably composed of urea compound. A plurality of bearing surfaces may be formed on the inner periphery of the bearing body so as to be separated from one another. The hydrodynamic type oil-impregnated sintered bearing may be suitably applied to a spindle motor for information equipment. | 03-10-2011 |
| 20110056080 | METHOD FOR MANUFACTURING A DRIVE WHEEL BEARING DEVICE - A method for manufacturing a drive wheel bearing device is provided. During the manufacturing, a swaged portion is formed in a manner as a non-hardened region, and in a manner that variations based on a reference surface in the axial direction of the flat surface are restricted within +/−0.2 mm The reference surface is provided with an end face on an outboard side of a flange for an attachment of a wheel or an end face on an inboard side of the flange for attachment to a vehicle body. Part of the swaged portion making contact with an outer joint member of to drive wheel bearing device is formed into a flat surface. Serrations and a pilot part are formed on an inner periphery of a first inner member of the drive wheel bearing device. An inner peripheral surface of the pilot part is formed as a turned surface, and the turned surface has been turned after forming the swaged portion. A serrated shaft is formed on the outer joint member for transmitting torque to and from the first inner member through the serrations and an outer periphery surface opposing to the pilot part. A surface hardened layer is formed on the outer joint member by heat treatment in a region that includes at least the serrated shaft. | 03-10-2011 |
| 20110053696 | Joint Assembly, A Wheel Bearing Apparatus, and the Assemblies Included in an Axle Module - A joint assembly has a pair of constant velocity universal joints and a connecting drive shaft. A cover unit protects the constant velocity universal joints and prevents hanging down of the joints under their own weight. The unit cover is arranged to cover the outer circumferential surfaces of the pair of constant velocity universal joints and boots. The unit cover is formed from elastomer material by injection molding. The cover unit inner circumferential surface has a configuration corresponding to the outline configurations of the pair of constant velocity universal joints and the boots. | 03-03-2011 |
| 20110019948 | FLUID DYNAMIC BEARING DEVICE, AND MANUFACTURING METHOD OF BEARING MEMBER - A molding pin ( | 01-27-2011 |
| 20110007990 | GREASE COMPOSITION AND GREASE-SEALED BEARING - The present invention provides a grease composition ( | 01-13-2011 |
| 20100329598 | Wheel Bearing Apparatus For A Vehicle - A vehicle wheel bearing apparatus has an outer member, an inner member, double row rolling elements, and a constant velocity universal joint connected to a wheel hub of the inner member. A cap, formed as a low friction member, is interposed between a caulked portion and a shoulder portion of the constant velocity joint. The cap has a disc shaped abutting portion, a cylindrical portion and an anchoring portion. The disc shaped abutting portion is adapted to abut against the caulked portion and the shoulder portion. The cylindrical portion extends axially from the radially outermost portion of the abutting portion. The anchoring portion extends radially inward from a free end of the cylindrical portion. The radially inner diameter of the anchoring portion is formed slightly smaller than the radially outer diameter of the caulked portion so that the cap can be mounted on the caulked portion in a snap-fitting manner. | 12-30-2010 |
| 20100319642 | ROLLER FOLLOWER, VALVE TRAIN, INDUCTION HARDENING APPARATUS, METHOD OF HEAT TREATMENT OF SHAFT MEMBER, METHOD OF MANUFACTURING SHAFT, AND SHAFT - A roller follower includes a roller ring, a shaft and a plurality of rollers. At least one of the roller ring, the shaft and the rollers is a steel member made of steel containing 0.7 to 2.4% carbon and 10.0 to 20.0% chromium, with remainder iron and impurities. In addition, carbide containing at least any one of iron and chromium as well as carbon and having an area of 12.6 μm | 12-23-2010 |
| 20100319477 | Electrically Driven Linear Actuator - An electrically driven linear actuator has an actuator body with a ball screw to convert a rotational motion to a linear motion. An electric motor provides the rotational motion. A gear mechanism transmits rotational motion of the electric motor to the ball screw of the actuator body. A position holding mechanism holds the position of the ball screw of the actuator body by engaging teeth, specifically a space between adjacent teeth, of a gear forming the gear mechanism. | 12-23-2010 |
| 20100318304 | BEARING FOR WHEEL WITH SENSOR - A bearing assembly for a vehicle wheel with a sensor in which load acting on the bearing assembly and/or a tread surface is accurately detected is provided. The bearing assembly includes rolling elements between outer and inner members, a load detecting device in one of the outer and inner members provided as a stationary member, for detecting load acting on the bearing assembly, a rotation detecting device for detecting the rotation of the other member provided as a rotating member, an averaging circuit for calculating rotational speed of the rotating member from output of the rotation detecting device, determining from the calculated rotational speed a time period required for the rolling elements to revolve a pitch of arrangement thereof and calculating average value of output of the load detecting device during the period, and an estimating circuit for estimating the load from the average value. | 12-16-2010 |
| 20100316320 | Wheel Bearing Apparatus For A Vehicle - A vehicle wheel bearing apparatus has an outer member, an inner member, and at least one inner ring press fit onto a cylindrical portion of a wheel hub. Double row rolling elements are rollably contained between double row outer raceway surfaces and double row inner raceway surfaces. A constant velocity universal joint torque is inserted into the wheel hub. It is axially separably connected to the wheel hub by a securing nut. A shoulder of an outer joint member of the constant velocity universal joint abuts against the inner member. An abutting surface of the inner member that abuts the shoulder of an outer joint member is formed so that it does not include a segment of a mirror finished surface with an area exceeding 0.005 mm | 12-16-2010 |
| 20100316315 | MEMBER FOR ROLLING BEARING AND ROLLING BEARING - The present invention provides a member for a rolling bearing ( | 12-16-2010 |
| 20100310202 | SENSOR EQUIPPED WHEEL SUPPORT BEARING ASSEMBLY - A wheel support bearing assembly includes rolling elements ( | 12-09-2010 |
| 20100310199 | SINTERED BEARING - A maximum diameter (d) of each of surface openings formed in a bearing surface through melting of Sn metal powder as a binder is set within a range of 0 μm| 12-09-2010 | |
| 20100306991 | METHOD FOR MANUFACTURING SPACERS FOR SPINDLE DEVICE - Inner and outer ring spacers include respective load bearing portions, which are positioned on respective sides of a gap of a predetermined size and which confront with each other in an axial direction. Each of the inner and outer ring spacers is divided into two spacer segments along a surface of division extending in a direction perpendicular to the axial direction and passing through the associated load bearing portions. Inner and outer ring divided spacer segments, having the load bearing portions, are simultaneously machined so as to have the same axially measured width. Along therewith, inner ring divided spacer segments, having no load bearing portions, are simultaneously machined so as to have the same axially measured width, thereby rendering the latter axially measured width to be larger than the former axially measured width by a quantity corresponding to the gap. | 12-09-2010 |
| 20100301847 | Wheel bearing device with rotation detector - A wheel support bearing assembly for supporting a wheel, which assembly includes an outer member having rolling surfaces and serving as a stationary member; an inner member having rolling surfaces; a plurality of rows of rolling elements interposed between the respective rolling surfaces; a magnetic encoder fitted to the outer peripheral surface of the inner member at a location adjacent one end thereof; an annular sensor holder made of resin and fitted to the outer member through a core metal, the annular sensor holder having a built-in magnetic sensor with an axial gap intervening between it and the magnetic encoder; and a sealing unit arranged on an outer side axially outwardly of the encoder and the sensor for sealing a space between the sensor holder and the inner member. The magnetic encoder includes a plastic magnetic encoder having a plastic magnet defining a to-be-detected portion. | 12-02-2010 |
| 20100301666 | BEARING DEVICE FOR WHEEL - A wheel support bearing assembly, in which rust preventive treatment is conducted to a pilot portion of a hub axle thereof to thereby increase the productivity and the reliability, is provided. This wheel support bearing assembly includes an outer member having rolling surfaces, an inner member having rolling surfaces opposed to the rolling surfaces of the outer member, and rows of rolling elements interposed between those opposed rolling surfaces. One of the outer and inner members that serves as a rotating member includes a hub axle having a wheel mounting hub flange and a cylindrical pilot portion protruding on an outboard side from a root portion of the hub flange for guiding a brake rotor and a wheel, both fitted to the hub flange. A coating layer of ultraviolet curable coating material is formed on a peripheral surface of the pilot portion. | 12-02-2010 |
| 20100292566 | LOAD DETECTION DEVICE AND LOAD DETECTION METHOD - According to this load detection method, load (Fi) in insertion of a linear body having flexibility in an inlet of a hollow tube inserted in a bending vessel in a body is detected, an image of the hollow tube or the linear body is taken, a degree of bending of the hollow tube or the linear body is detected based on the image, and load (Fo) at a tip end of the linear body is calculated based on the detected insertion load (Fi) and the degree of bending. Therefore, the load (Fo) at the tip end of the thin linear body can readily be detected. | 11-18-2010 |
| 20100254643 | Wheel Bearing Apparatus For A Vehicle - A vehicle wheel bearing apparatus has an outer member, an inner member with a wheel hub and inner ring, double row rolling elements contained between the inner member and the outer member, and; seals mounted between the outer member and the inner member. A stepped portion is formed between an inner side surface of the wheel mounting flange and its base. The stepped portion is formed with a circular arc cross-section with a predetermined radius of curvature. An annular recessed portion is formed on an inner circumference of the outer side end of the outer member. The recessed portion is arranged opposite to a corner edge of the stepped portion, via a small gap. The gap forms an annular labyrinth seal having a substantially “L” shaped cross-section. | 10-07-2010 |
| 20100251834 | LOAD SENSOR - A load sensor includes a base substrate having two holes as two fixing portions to a frame member as a detection object, a pair of strain detecting elements provided on a surface of the base substrate, and input-output terminals provided on the surface of the base substrate. The strain detecting elements are arranged in a region that is between the holes and is opposite the input-output terminals with respect to at least one of the holes. | 10-07-2010 |
| 20100247013 | Retainer for roller bearing, and rolling bearing - A retainer for a rolling bearing, which is used for a food machine or a vacuum apparatus, containing an increased amount of a lubricating oil and enhancing a use efficiency of the lubricating oil and rolling bearing is described. The retainer consists of a molding, of a synthetic resin composition, which holds a rolling element of a rolling bearing. The molding is composed of a resinous porous article having an interconnected hole porosity not less than 30% and a lubricating oil which impregnates the resinous porous article. The resinous porous article has an interconnected hole are formed by molding a resin containing a pore-forming substance having a melting point higher than that of the resin and can be used as a food material, and by extracting said pore-forming substance from the molding with a solvent which dissolves the pore-forming substance and does not dissolve the resin. | 09-30-2010 |
| 20100244601 | FLUID DYNAMIC BEARING DEVICE - Provided is a fluid dynamic bearing device, which fixes a lid member ( | 09-30-2010 |
| 20100239196 | FLUID DYNAMIC BEARING DEVICE - A lid member ( | 09-23-2010 |
| 20100234112 | Universal joint and method for production thereof - The present invention provides a universal joint which is excellent in the performance of retaining a lubricant, is capable of suppressing an exudation amount of a lubricating component to a necessary minimum amount and preventing the lubricant from scattering from an open portion when the lubricant is deformed by an external force, has a long life, costs low, and is excellent in the productivity thereof; and a method for producing the universal joint. In the universal joint, a rotational torque is transmitted by engagement between a torque transmission member ( | 09-16-2010 |
| 20100232735 | BEARING FOR ALTERNATOR AND BEARING FOR PULLEY - A bearing for alternators and a bearing for pulleys for reducing hydrogen embrittlement or cracking is used when the bearing is in an environment having a severe condition, such as, when hydrogen is generated from grease or the like. The bearing includes a rolling element, an inner ring and an outer ring, and at least one of the rolling element, where the inner and outer rings have a nitrogen enriched layer containing austenite crystal grains having a grain size number exceeding 10. | 09-16-2010 |
| 20100232733 | FLUID DYNAMIC BEARING DEVICE - In this type of fluid dynamic bearing device, a dynamic pressure generating part having high molding accuracy is formed at low cost. | 09-16-2010 |
| 20100231074 | FLUID DYNAMIC BEARING DEVICE AND MANUFACTURING METHOD THEREFOR - To provide a fluid dynamic pressure bearing device that achieves high rigidity against moment without degradation in assembly precision and bearing performance, bearing sleeves are arranged in an axial direction and coaxiality of radial bearing surfaces formed on inner peripheral surfaces of the bearing sleeves is set to 3 μm or less. This secures width precision between the radial bearing gaps to prevent a degradation in bearing performance and a failure such as wear etc. caused by contact between a shaft member and the bearing sleeves. Further, a first radial bearing surface and a second radial bearing surface are provided on at least one sleeve, and this allows a sleeve assembly constructed from the bearing sleeves to be supported at least three positions in the axial direction in a process of assembling the sleeve assembly. As a result, assembly work can be carried out with two bearing sleeves prevented from being bent at a midway thereof, and highly accurate coaxiality between both the bearing sleeves is secured. | 09-16-2010 |
| 20100230014 | METHOD OF QUENCHING A RING-SHAPED ARTICLE AND APPARATUS THEREOF - A method of quenching a ring shaped article includes a heating step (S | 09-16-2010 |
| 20100227695 | Inner Ring for Constant Velocity Universal Joint and Manufacturing Apparatus Therefor - An inner ring of a constant velocity universal joint includes ball grooves formed in an outer surface at predetermined intervals in a circumferential direction. Portions of side walls of each of the ball grooves that form edge lines with the outer surface are formed with a chamfer along the entire length of the axial direction. | 09-09-2010 |
| 20100226601 | FLUID DYNAMIC BEARING DEVICE | 09-09-2010 |
| 20100224461 | Clutch Unit - Provided is a clutch unit in which the strength of a lever side outer ring or a brake side outer ring is increased and in which an elastic deformation amount is reduced to help to easily achieve an improvement in terms of breaking torque. The clutch unit has a lever side clutch section ( | 09-09-2010 |
| 20100221130 | BLOOD PUMP APPARATUS - A blood pump apparatus comprises a housing, a centrifugal pump section including an impeller and rotating inside the housing to feed a fluid by a centrifugal force, an impeller rotational torque generation section for attracting thereto said impeller and rotating said impeller; and a plurality of grooves for hydrodynamic bearing provided on an inner surface of said housing at a side of said impeller rotational torque generation section, each of the grooves for hydrodynamic bearing having a first side and a second side both extending from a periphery of said portion in which a groove for hydrodynamic bearing is formed toward a central side thereof and opposed to each other, a third side connecting one end of said first side and one end of said second side to each other, and a fourth side connecting said other end of said first side and said other end of said second side to each other; said first side and said second side are formed as a circular arc respectively in such a way that centers of said circular arcs are different from each other. | 09-02-2010 |
| 20100220943 | ROLLING BEARING AND SEAL FOR ROLLING BEARING - It is an object of the present invention to provide a rolling bearing in which efficacy provided by an auxiliary agent for grease can be maintained for a long time to extend its life and a seal for the rolling bearing. A rolling bearing ( | 09-02-2010 |
| 20100215304 | Wheel Bearing Apparatus For A Vehicle - A vehicle wheel bearing apparatus has an outer member, an inner member and double row rolling elements freely rollably contained between the outer raceway surfaces and inner raceway surfaces, respectively, of the outer member and the inner member. Either one of the outer member or inner member, on its outer side end, is integrally formed with a wheel mounting flange to mount a wheel. A plurality of bolt apertures is formed in the wheel mounting flange. The wheel is secured on the wheel mounting flange by a plurality of bolts. Cut-out portions are formed between the bolt apertures. The cut-out portions avoid the vicinity of each bolt aperture. Each cut-out portion is formed with a circular arc configuration so that its deepest portion is positioned closely to a pitch circle diameter of the bolt apertures. | 08-26-2010 |
| 20100202720 | ROLLING BEARING DEVICE - To provide a rolling bearing device designed to accomplish a stabilized retention of the retainer during a high speed rotation, to avoid a direct contact between guide surfaces and to reduce the power loss between retainer guide gaps, the rolling bearing device includes a rolling bearing unit having rolling elements retained by an annular retainer and intervening between raceways of inner and outer rings, and a nozzle member provided proximate to the outer ring. The nozzle member is provided with an annular collar portion inserted in a bearing space delimited between the inner ring and the outer ring and having a nozzle hole. This collar portion has an outer diametric surface in the form of a retainer guide surface, and an inner diametric surface of the retainer is guided by this retainer guide surface. | 08-12-2010 |
| 20100202718 | WHEEL BEARING WITH SENSOR - A sensor-equipped wheel support bearing assembly capable of accurately detecting load without affected by hysteresis is provided. The assembly includes a vehicle body fitting flange having bolt holes at respective circumferential portions in the form of projecting pieces. A sensor unit including a strain generating member having contact fixing segments to be fixed to the stationary member and a cutout portion, and a sensor element for detecting strain in a periphery of the cutout portion is provided with the contact fixing segments at positions of the same size in an axial direction relative to the outer diametric surface of the stationary member. The contact fixing segments are spaced each other an angle about an axis of the stationary member, and the angle between the contact fixing segments at respective end portions of the sensor unit is smaller than half the angle between the projecting pieces. | 08-12-2010 |
| 20100202715 | FLUID DYNAMIC BEARING DEVICE - To manufacture a shaft member, which is excellent in both accuracy and strength at low cost, a shaft member ( | 08-12-2010 |
| 20100189383 | FLUID DYNAMIC BEARING DEVICE AND ASSEMBLING METHOD THEREOF - A first axial gap (L | 07-29-2010 |
| 20100177998 | FLUID BEARING DEVICE - An object is to reduce manufacturing cost of a housing, and enable to disuse an adhesive in fixation portions between a housing and a bearing sleeve and the like. | 07-15-2010 |
| 20100176640 | BEARING BUSH FOR SEAT RECLINING DEVICE AND SEAT RECLINING DEVICE - A bearing bush, disposed in a shaft hole of an external gear of a seat reclining device, which slidingly contacts wedge-shaped pieces. The seat reclining device has a differential transmission mechanism for adjusting an open angle of a hinge connecting a seating surface of a seat and a backrest thereof to each other. The differential transmission mechanism has an internal gear; an external gear, having a smaller number of teeth than the internal gear, which engages the internal gear; a pair of the wedge-shaped pieces disposed in a circular arc-shaped gap formed between the shaft hole of the external gear and a shaft of the internal gear with tapered ends of the wedge-shaped pieces opposed to each other; and a compression coil spring for imparting an elastic force to the wedge-shaped pieces in a direction in which the wedge-shaped pieces depart from each other. When the wedge-shaped pieces are moved in sliding contact with the bearing bush inside the circular arc-shaped gap with the wedge-shaped pieces being pressed by a cam provided on the shaft of the internal gear, the external gear disengages from the internal gear, whereby the open angle of the hinge is adjustable. A sliding surface of the bearing bush is formed of a fluorocarbon resin composition containing fluorocarbon resin to which thermoplastic resin, carbon fibers, and molybdenum disulfide are essentially added. | 07-15-2010 |
| 20100173715 | FIXED TYPE CONSTANT VELOCITY UNIVERSAL JOINT - Provided is a fixed type constant velocity universal joint which is capable of reducing the size and weight while keeping the strength of a cage, and is also capable of improving the high angle strength and the durability. In the fixed type constant velocity universal joint, a center curvature of an outer spherical surface ( | 07-08-2010 |
| 20100166346 | DYNAMIC BEARING DEVICE - A dynamic bearing device is provided, which can prevent abrasion powder generated when a sealing member is pushed into an inner circumference of a housing from entering the housing. A sealing member is inserted into an inner circumference of an opening of a housing with an adhesive interposed therebetween The adhesive moving forward in a pushing direction of the sealing member is retained by a capillary action in a lower tapered space between an outer circumference of the sealing member and the inner circumference of the housing. Abrasion powder is captured by the adhesive in the tapered space so as to be confined in the adhesive as a result of the setting of the adhesive. | 07-01-2010 |
| 20100166345 | FLUID DYNAMIC BEARING DEVICE - A protrusion ( | 07-01-2010 |
| 20100166344 | FLUID DYNAMIC BEARING DEVICE AND METHOD OF MANUFACTURING THE SAME - Provided is a fluid dynamic bearing device in which an assembly of a bearing sleeve to a housing is facilitated and which has excellent moment rigidity. A fluid dynamic bearing device ( | 07-01-2010 |
| 20100166343 | SHAFT MEMBER FOR FLUID DYNAMIC BEARING DEVICE - Provided is a shaft member for a fluid dynamic bearing device, which is excellent in wear resistance and which can exert a high dynamic pressure effect. A shaft material ( | 07-01-2010 |
| 20100157304 | LUBRICANT DETERIORATION DETECTING DEVICE AND DETECTING DEVICE INCORPORATED BEARING ASSEMBLY - A lubricant deterioration detecting device has a light emitting unit and a light receiving unit so arranged as to define a gap therebetween for accommodating a lubricant forming an object to be detected, and a determining circuit for determining a light transmittance of the lubricant in reference to an output from the light receiving unit to thereby detect a status of deterioration of the lubricant. | 06-24-2010 |
| 20100142872 | RESIN COMPOSITION FOR SLIDING MEMBER AND ROLLING BEARING - A resin composition for a sliding member is difficult to peel and whose component is difficult to elute when the resin composition is formed as a film on a surface of a mechanical part, even though the resin composition is used in environment where the sliding member contacts lubricating oil containing a sulfur-based additive or in atmosphere containing a sulfur-based compound. A resin composition for a sliding member to be used for a mechanical part having a surface thereof formed of said sliding member. The resin composition contains polyamide-imide resin having an elongation percentage of 60% to 120%, fullerene, and at least one disulfide selected from among molybdenum disulfide and tungsten disulfide. 0.1 to 10 vol % of the fullerene and 0.5 to 20 vol % of the disulfide are contained in an entirety of the resin composition. | 06-10-2010 |
| 20100132197 | METHOD FOR MANUFACTURING FLUID DYNAMIC BEARING DEVICE - Easy and precise setting of a predetermined thrust bearing gap is made possible. | 06-03-2010 |
| 20100130294 | METHOD OF FIXING BOOT - A method for fixing a boot includes mounting a tubular anchoring areas ( | 05-27-2010 |
| 20100130290 | DOUBLE-OFFSET CONSTANT VELOCITY UNIVERSAL JOINT - The outer peripheral surface ( | 05-27-2010 |
| 20100129021 | ROLLING BEARING - It is an object of the present invention to provide a rolling bearing in which a film formed on a surface of a retainer is difficult to peel or a metal component is difficult to dissolve even when the rolling bearing is used in environment where the rolling bearing contacts lubricating oil containing sulfur-based additives. A rolling bearing ( | 05-27-2010 |
| 20100129018 | Wheel Bearing Apparatus For A Vehicle - A vehicle wheel bearing apparatus has an outer member, an inner member, double row rolling elements, and seals mounted within annular openings formed between the outer member and the inner member. A metal annulus, mounted on the base portion, is press-formed of steel plate. The metal annulus has a cylindrical fitting portion, a curved portion, a disk shaped portion, and an overhang portion. The outer side seal of the seals has a metal core and a sealing member with side lips and a grease lip. The side lips and the grease lip sliding contact the metal annulus. The metal annulus overhang portion opposes the outer member via a slight radial gap and is formed with a flared configuration that gradually expands toward its end at a predetermined slant angle. | 05-27-2010 |
| 20100129017 | SENSOR-EQUIPPED BEARING FOR WHEEL - A sensor-equipped wheel support bearing assembly, in which a load imposed on the wheel can be accurately detected without influences from hysteresis is provided. This wheel support bearing assembly includes an outer member having a plurality of rolling surfaces, an inner member having rolling surfaces opposed respectively to the rolling surfaces of the outer member, and rolling elements between the rolling surfaces. A sensor unit is provided in a stationary member of one of the outer and inner members, which unit includes a strain generating member having two contact fixing segments to be fixed to the stationary member and a sensor fitted to the strain generating member for detecting a strain induced in this strain generating member. The two contact fixing segments are arranged at respective positions held at the same phase in a direction circumferentially of the stationary member. | 05-27-2010 |
| 20100129016 | SENSOR EQUIPPED WHEEL SUPPORT BEARING ASSEMBLY - This wheel support bearing assembly includes an outer member ( | 05-27-2010 |
| 20100129014 | SHAFT MEMBER FOR FLUID BEARING DEVICE AND METHOD OF PRODUCING THE SAME - [Object] To manufacture at lower cost a shaft member for a fluid dynamic bearing device, which is excellent in accuracy of bearing surfaces and shape accuracy between the bearing surfaces, and which has high fixation strength between a shaft portion and a flange portion. | 05-27-2010 |
| 20100124389 | Wheel Bearing Apparatus Incorporated With A Wheel Speed Detecting Apparatus - A wheel bearing apparatus incorporating a wheel speed detecting apparatus has a wheel bearing with an outer member and an inner member. A sensor holder is injection molded from synthetic resin and is embedded with a wheel speed detecting sensor. The sensor holder is mounted on an inner side end of the outer member. The inner side seal of the seals includes an annular sealing plate, a slinger and a pulser ring. An anchoring portion is formed integrally with the metal core. The sensor holder is being integrally molded with the metal core from synthetic resin that surrounds the anchoring portion | 05-20-2010 |
| 20100111458 | WHEEL BEARING APPARATUS FOR A VEHICLE - A vehicle wheel bearing apparatus has an outer member with a body mounting flange, an inner member and double row rolling elements freely rollably contained between the inner and outer raceway surfaces of the inner and outer members. The body mounting flange is formed with a plurality of screw apertures. An inner side flange surface of the body mounting flange is formed by machining to have a flat vertical surface relative to a longitudinal axis of a wheel hub. An outer side flange surface of the body mounting flange is formed by forging to have a tapered surface of a predetermined inclined angle. Thus, the thickness of the body mounting flange is gradually reduced radially outward. | 05-06-2010 |
| 20100103638 | HIGHLY DIELECTRIC ELASTOMER MOLDED BODY AND ELECTRONIC COMPONENT MATERIAL FOR HIGH FREQUENCY USE - The present invention provides a highly dielectric elastomer molded body which is inexpensive and excellent in its dielectric property, shock resistance, flexibility, and processability and can be used at a UHF band having 800 to 960 MHz and an electronic component material for a high frequency use. The highly dielectric elastomer molded body is formed by molding a highly dielectric elastomer composition comprising an elastomer and dielectric ceramic powder added thereto. The molded body has a tensile elongation not less than 250% and a hardness not more than 70. In measurement at a frequency of 950 MHz, a dielectric constant of the highly dielectric elastomer molded body is 4 to 10, and a dielectric dissipation factor thereof is not more than 0.02. An electronic component material for a high frequency use is made of the highly dielectric elastomer molded body. | 04-29-2010 |
| 20100102801 | ROTATION SENSOR - A rotation detecting sensor, having excellent sealing capability to prevent water ingress from outside, being so robust that no damage occur in sensor component parts and circuits due to external force and/or thermal strains resulting from self-heating or change in ambient temperature, and inexpensive to manufacture, is provided. The rotation detecting sensor is fixed to a sensor fixing member to be fitted to a wheel support bearing assembly. A sensor unit, including a magnetic sensor element, a cable and a substrate, is fixed to the sensor fixing member through the substrate. A molding segment molded of a molding material bonded with the substrate is provided around the sensor unit. The substrate has a metallic pattern portion formed as a metallic coating on a substrate surface in the vicinity of an electroconductive pattern portion and the molding material is bonded to the metallic pattern portion. | 04-29-2010 |
| 20100099503 | LUBRICATING SYSTEM AND UNIVERSAL JOINTS WITH THE SYSTEM - The present invention provides a lubrication system that improves the force of retaining a lubricating component of a foamed lubricant, is capable of minimizing the amount of exudation of the lubricating component which occurs owing to deformation of the foamed lubricant, is capable of compensating for a lubricating function even when the lubricating component exudes insufficiently from the foamed lubricant, and is capable of complying with a demand that the lubrication system has a long life and can be produced at a low cost. The lubrication system comprises a foamed lubricant containing a lubricating component in a resin thereof which foams, hardens, and becomes porous and a grease for auxiliary lubrication which is present together with the foamed lubricant in a portion to be lubricated. The grease for auxiliary lubrication satisfies a condition that (1) a penetration thereof is not less than 175 and less than 285 or that (2) a mixing ratio of a thickener to the grease for auxiliary lubrication is not less than 10 wt % and less than 40 wt %. As shown in the drawings, a foamed lubricant (9) and a grease (10) for auxiliary lubrication are present together inside a universal joint. | 04-22-2010 |
| 20100098367 | Wheel Bearing Apparatus For A Vehicle - A vehicle wheel bearing apparatus has an outer member, an inner member, and double row rolling elements freely rollably contained between the inner and outer raceway surfaces of the inner and outer members. A brake pilot portion extends from a base of a wheel hub mounting flange toward the outer side to guide an inner circumferential surface of a brake rotor. A wheel pilot portion extends from the brake pilot portion further toward the outer side to guide an inner circumferential surface of the wheel. The wheel pilot portion including a plurality of separated pilots separated along a circumferential direction. A chamfered portion is formed, by forging, on a forward end of each separated pilot in view of its lathe cutting direction. The chamfered portion has a predetermined inclined angle relative to an axial end surface of each separated pilot after lathe cutting. | 04-22-2010 |
| 20100098366 | BEARING BALL CAGE AND METHOD OF MAKING THE SAME | 04-22-2010 |
| 20100093569 | SLIDING MATERIAL COMPOSITION - The present invention provides a sliding material composition that is capable of continuously supplying a lubricant to the surface of a sliding portion and has a low frictionality and a low wearability. A sliding material composition of the present invention includes a resin material with which at least porous silica and a lubricant are mixed. The ratio of the sum of the mixing amount of the porous silica and that of the lubricant to the whole amount of the sliding material composition is 30 to 60 vol %. The interconnected cell ratio of the oil-containing porous silica in which the lubricant is held by the porous silica is not less than 20% when the interconnected cell ratio is found by a predetermined computing method to be carried out by utilizing the principle of a Monte Carlo method. | 04-15-2010 |
| 20100092118 | GREASE COMPOSITION AND GREASE-ENCLOSED BEARING - The present invention provides a grease composition capable of effectively preventing a rolling surface of a grease-enclosed bearing from having hydrogen brittleness-caused peeling and the grease-enclosed bearing. The grease composition includes a base grease consisting of a base oil and a thickener and an additive added to the base grease. The additive contains at least an epoxy compound. A mixing ratio of the epoxy compound to 100 parts by weight of the base grease is set to 0.05 to 10 parts by weight. The grease-enclosed bearing using the grease composition includes an inner ring ( | 04-15-2010 |
| 20100092117 | Wheel Bearing Apparatus Incorporated With A Wheel Speed Detecting Apparatus - A wheel bearing apparatus incorporating a wheel speed detecting apparatus has an outer member, an inner member, double row rolling elements, a sensor holder, and a pulser ring. The sensor holder cover has a cylindrical fitting portion press-fit onto the inner side end portion of the outer member. A flange portion extends radially inward from the fitting portion. The flange portion is in close contact with the end face of the outer member. A bottom portion extends further radially inward from the flange portion. The holding portion is integrally joined to the bottom portion. The flange portion is formed with a flat surface so that it forms an abutting width larger than 5 mm or more, against the end face of the outer member, or larger than 50% or more, relative to the flat width of the end face of the outer member. | 04-15-2010 |
| 20100090905 | DIELECTRIC ELASTOMER COMPOSITION AND ANTENNA MEMBER - The present invention provides a dielectric elastomer composition which has been improved to have an excellent flame-retardant property in consideration of influence on environment and a satisfactory dielectric characteristic as a material for an antenna; and a member for the antenna formed by molding the dielectric elastomer composition. The dielectric elastomer composition contains 50 to 400 parts by weight of a metal hydroxide such as aluminum hydroxide powder, magnesium hydroxide powder and 10 to 200 parts by weight of a brominated flame retardant except polybromodiphenyl ether and polybromobiphenyl for 100 parts by weight of an elastomer such as ethylene propylene rubber. At a frequency of 1 GHz and a temperature of 30° C., a dielectric constant of the dielectric elastomer composition is not less than 3, and a dielectric loss tangent thereof is not more than 0.02. The member for the antenna is formed by molding the dielectric elastomer composition. | 04-15-2010 |
| 20100080632 | TRANSFER CHARGER AND IMAGE FORMING APPARATUS - The present invention provides a transfer charger which provides an intermediate transfer belt with a sufficient transfer efficiency, does not wear in contact with an inner surface of the intermediate transfer belt, has a low frictional property, and is excellent in its friction stability and an image-forming apparatus. A transfer charger ( | 04-01-2010 |
| 20100074569 | TAPERED ROLLER BEARING - The present invention provides a tapered roller bearing that can achieve improvement in manufacturability and a longer life. The tapered roller bearing of the present invention includes an outer ring | 03-25-2010 |
| 20100074568 | Wheel Bearing Apparatus For A Vehicle - A vehicle wheel bearing apparatus has an outer member, an inner member double row rolling elements, and a constant velocity universal joint. A wheel hub of the inner member and an outer joint member of the constant velocity universal joint are axially separably connected. The outer joint member shoulder portion abuts against a caulked portion of the wheel hub. A cap is interposed between the caulked portion and the shoulder portion. The cap is press-formed from a steel plate and has a surface roughness of 0.63 Ra or less. | 03-25-2010 |
| 20100071495 | GEAR AND GEAR DRIVE UNIT - Provided are a gear in which oil film formation between the tooth surfaces of gears rotating at high speed can be effected to a sufficient degree, in which generation of pitting, abrasion, and scoring is prevented, and which helps to prevent an increase in temperature and wear to achieve an improvement in durability, and a gear drive unit. A multitude of minute concave recesses are provided at random on a tooth surface, and an average area of the recesses is set to a range of 160 to 740 μm | 03-25-2010 |
| 20100061671 | Wheel Bearing Apparatus Incorporated With A Wheel Speed Detecting Apparatus - A wheel bearing apparatus incorporating a wheel speed detecting apparatus has an outer member, inner member and double row rolling elements rollably contained between the inner and outer raceway surfaces of the inner and outer members. Seals are mounted in annular openings formed between the outer member and the inner member. An annular sensor holder, a steel base, and a magnetic encoder integrally adhered to the base are coupled with the inner and outer members. A slinger is positioned on the inner ring so that an axial gap is formed between the base and the slinger. | 03-11-2010 |
| 20100061669 | HOUSING FOR FLUID LUBRICATION BEARING APPARATUSES - A housing for fluid lubrication bearing apparatuses having improved adhesiveness with other components is provided at low costs. | 03-11-2010 |
| 20100054647 | Wheel Bearing Apparatus - A vehicle wheel bearing apparatus has an outer member, an inner member with at least one inner ring, double row rolling elements, and a constant velocity universal joint torque transmittably inserted into a wheel hub and axially separably connected by a securing nut. A shoulder of an outer joint member of the constant velocity universal joint abuts against a larger end face of the inner ring. The larger end face of the inner ring is formed as a ground surface. An end face of the shoulder of the outer joint member abutted against the larger end face is formed as a ground surface or a lathe-turned surface. The surface roughness Ra of at least the larger end face of the inner ring is limited to a range within 0.1˜0.3. | 03-04-2010 |
| 20100046871 | SENSOR-EQUIPPED BEARING FOR WHEEL - To provide a sensor equipped wheel support bearing assembly, in which a load sensor can be installed compactly in an automotive vehicle, maintaining a high sensitivity while damage and/or malfunction caused by the external environments and/or the electromagnetic noises are avoided, with low manufacturing cost. This bearing assembly includes outer and inner members having respective rolling surfaces and a plurality of rows of rolling elements interposed between those rolling surfaces. A strain sensor unit including a sensor element is fitted to one of the outer and inner members, which is a stationary member, for example, the outer member. A sensor mounting surface of the strain sensor unit fitted with the sensor element has a covering member made of a resin, which is over-molded, or an elastomer bonded by vulcanization, so as to cover the sensor element sealingly. | 02-25-2010 |
| 20100043582 | Ball Screw And A Method For Manufacturing The Same - A ball screw has a nut formed with a helical ball rolling groove on its inner circumference. A screw shaft is formed with a helical ball rolling groove on its inner circumference. The screw shaft is inserted into the nut. A number of balls are rollably contained within a ball rolling passage formed by oppositely arranged helical ball rolling grooves of the nut and the screw shaft, respectively. The nut is made of case hardened steel. The ball rolling groove is formed by cutting and surface hardening, by vacuum carburizing hardening, without any after-processing. | 02-25-2010 |
| 20100040319 | Wheel Bearing Apparatus - A wheel bearing apparatus for a driven wheel of a vehicle has an outer member, an inner member and rolling elements between the two. The outer member has a body mounting flange for mounting it to a knuckle of a suspension apparatus. The knuckle has a disc shaped bottom portion. The outer member is secured to the knuckle by fastening bolts. The body mounting flange abuts against the bottom portion of the knuckle. The inner side end of the inner member is closed by the knuckle. A plurality of pins is secured to the knuckle. Pin bores to receive the pins are formed on the body mounting flange. The pin bores radially positioning the outer member relative to the knuckle. | 02-18-2010 |
| 20100040315 | Rotation detector,wheel bearing equipped therewith and process for manufacturing the same - A sensor assembly ( | 02-18-2010 |
| 20100034494 | FLUID DYNAMIC BEARING DEVICE - Peeling-off of an oil-repellent film can be reliably prevented. A fluid dynamic bearing device ( | 02-11-2010 |
| 20100027929 | LUBRICATING SYSTEM, BEARING UTILIZING THE SYSTEM, UNIVERSAL JOINT UTILIZING THE SYSTEM, AND PROCESS FOR PRODUCTION THEREOF - It is an object of the present invention to provide a lubricating system that improves the force of retaining a lubricating component of a foam lubricant, minimizes an exudation amount of the lubricating component caused by deformation of the foam lubricant, is excellent in initial lubrication, has a long life, has a low cost, and is excellent in the productivity thereof; a bearing utilizing the lubricating system; a universal joint utilizing the lubricating system; and a process for the production thereof. A lubricating system includes a foam lubricant ( | 02-04-2010 |
| 20100021099 | Wheel Bearing And A Wheel Bearing Apparatus Having The Wheel Bearing - A vehicle wheel bearing forming a double row angular contact ball bearing of back-to-back duplex bearing type has an outer member formed, on its inner circumference, with outer raceway surfaces with each having a circular arc longitudinal section. A pair of inner rings are each formed, on its outer circumference, with an inner raceway surface having a circular arc longitudinal section arranged opposite to one of the outer raceway surfaces. The end of a smaller diameter side of one inner ring abuts against an end of a smaller diameter side of the other inner ring. Double row balls are contained between the outer and inner raceway surfaces, respectively, of the outer member and inner rings and are held by cages. Seals are mounted in annular openings formed between the outer member and inner rings. The outer member and the inner rings are made by plastically deforming pipe members, The outer and inner raceway surfaces, cylindrical portions of the outer member forming fitting portions of the seals and/or shoulder portions of the inner rings forming land portions are formed with predetermined dimensions and are ground for accuracy. | 01-28-2010 |
| 20100019761 | Rotation detection device and bearing having rotation detection device - To provide a rotation detecting system of a type having a high detecting resolution, in which the rotational position can be detected accurately, in which a sufficient gap can be secured between the sensor and the rotating body and which is effective to simplify assemblage and processing to thereby reduce the manufacturing cost, the rotation detecting system is provided with a multiplying section | 01-28-2010 |
| 20100014796 | Wheel support bearing assembly - A wheel support bearing assembly includes an outer member having an inboard end formed with a knuckle mount defined in an outer periphery thereof for engagement with a knuckle of an automotive suspension system, and also having an inner periphery formed with a plurality of raceway surfaces, in which the raceway surfaces in the outer member on the inboard side are in their entirety or partly held in overlapping relation within an axial range in which the knuckle mount is defined; an inner member having an outer periphery formed with raceway surfaces cooperable and aligned with the raceway surfaces in the outer member and also having a wheel fitting flange provided in an outboard end of the outer periphery thereof; and rows of balls interposed between the raceway surfaces in the outer member and the raceway surfaces in the inner member, respectively. | 01-21-2010 |
| 20100014795 | Wheel support bearing assembly - A wheel support bearing assembly including an outer member having an inner periphery formed with a plurality of raceway surfaces; an inner member having an outer periphery formed with raceway surfaces cooperable and aligned with the raceways in the outer member; rows of balls interposed between the raceway surfaces in the outer member and the raceway surfaces in the inner member, respectively; and a wheel fitting flange provided in the outer periphery of one of the outer and inner members. In the wheel support bearing assembly, the diameter of the pitch circle depicted by the balls of a row on an outboard side is greater than the pitch circle of the balls of the row on an inboard side, and the ratio of the diameter of the balls relative to the pitch circle diameter of the row of the balls on the inboard side is within the range of 0.14 to 0.25. | 01-21-2010 |
| 20100014087 | Lubricant deterioration detector and bearing assembly equipped with such detector - A lubricant deterioration detecting device includes an arcuate optical fiber ( | 01-21-2010 |
| 20100013463 | Rotation sensor - A rotation detecting sensor (A) is fixed to a sensor fixing member (7), through which it is fitted to a wheel support bearing assembly for detecting the rotation of a rotatable ring of the wheel support bearing assembly. A sensor unit (B) is made up of a sensor element ( | 01-21-2010 |
| 20100008615 | ROLLERS WITH RETAINER - A retainer comprises a roller retaining click which is bent from an inner diameter edge of a rib portion toward the inside in an axial direction and extends so as to protrude and positioned between adjacent rollers. A part of the retainer other than the roller retaining click is hardened by high-frequency quenching and high-frequency tempering. | 01-14-2010 |
| 20100002966 | FLUID DYNAMIC BEARING DEVICE AND PROCESS FOR MANUFACTURING THE SAME - Fixation strength of a bearing sleeve with respect to a housing is increased so that stable bearing performance can be achieved. A fluid dynamic bearing device ( | 01-07-2010 |
| 20100001720 | ROTATION SENSOR-EQUIPPED BEARING DEVICE FOR WHEEL - A rotation sensor equipped wheel support bearing assembly detects rotational speed and rotational direction, in which a high resolution rotation signal is utilized in various vehicle controls with a suppressed size. The bearing assembly includes a plurality of rows of rolling elements between rolling surfaces in outer and inner members. A magnetic field generating element having anisotropy about a bearing center axis is provided in the outer member in alignment with the axis. The inner member is provided with a sensor for sensing the magnetic field of the magnetic field generating element oriented axially. The sensor detects the angle of rotation of the magnetic field generating element and is in the form of magnetic sensor arrays or elements for detecting the orientation of the magnetic field with a two-dimensional vector sensor to detect rotation of the magnetic field generating element. | 01-07-2010 |
| 20100000356 | Gear and Gear Drive Unit - Provided are a gear and a gear drive unit which allow oil film formation to a sufficient degree between tooth surfaces of gears rotating at high-speed and which help to prevent generation of pitting, abrasion, and prevent scoring, temperature rise, and wear to thereby achieve an improvement in terms of durability. A tooth surface is provided with a multitude of minute recesses arranged at random, in which an axial surface roughness parameter Ryni of the surface thus provided with the recesses is set to a range: 0.8 μm≦Ryni≦2.3 μm. As a result, the tooth surface is endowed with a high oil film formation performance, and it is possible to attain a long service life even under a low-viscosity/thin-lubrication condition in which the oil film is extremely thin. | 01-07-2010 |
| 20090324152 | WHEEL SUPPORT BEARING ASSEMBLY EQUIPPED WITH SENSOR - In a wheel support bearing assembly including double row rolling elements ( | 12-31-2009 |
| 20090324149 | FLUID DYNAMIC BEARING DEVICE - An outer peripheral surface ( | 12-31-2009 |
| 20090315544 | Rotation detection device and rotation detector equipped bearing assembly - There is provided a rotation detection device | 12-24-2009 |
| 20090302697 | HOUSING FOR FLUID DYNAMIC BEARING DEVICE - Provided is a housing for a resin fluid dynamic bearing device in which deterioration with time of a fixing force for another member is mitigated and which can maintain a high bearing performance for a long period of time. The housing formed of a resin composition exhibiting a compression creep amount of 8% or less when a compressive pressure of 80 MPa is applied for 168 hours at an atmosphere temperature of 80° C., provides a sufficient fixing force for the another member fixed with a press-fitting force, for example, a bearing sleeve press-fitted into an inner periphery of the housing even after a long term use. Thus, there is no fear of fixing positions of the another member with respect to the housing being deviated and a high bearing performance is maintained for a long period of time. | 12-10-2009 |
| 20090301612 | INDUCTION HEAT TREATMENT METHOD, INDUCTION HEAT TREATMENT INSTALLATION AND INDUCTION-HEAT-TREATED PRODUCT - An induction heat treatment method with which temperature control is enabled, condition setting is easy, and the quality of a treatment object can be stabilized includes: a data acquiring step of heating and quench-hardening a sample of the treatment object to thereby acquire process data; a storing step of storing the process data; a checking step of checking the power supply output transition data and the quenching timing data as to validity based on the temperature transition data stored in the storing step; and a mass production step of performing heat treatment of the treatment object in accordance with the power supply output transition data and the quenching timing data stored in the storing step and checked as to validity in the checking step. | 12-10-2009 |
| 20090297078 | FLUID BEARING DEVICE - [Problems] Provided is a fluid bearing device in which bearing sleeves are positioned and fixed with respect to a housing with high accuracy. | 12-03-2009 |
| 20090297076 | FLUID DYNAMIC BEARING DEVICE - A hub portion of a fluid dynamic bearing device is formed from a resin composition in which polyphenylene sulfide (PPS) is employed as a base resin and with which carbon fibers are mixed. In this manner, the wear resistance and the conductivity can be improved. Alternatively, both portions of a stationary body and a rotating body of the fluid dynamic bearing device which portions face to each other through a bearing gap are formed from a resin composition in which polyphenylene sulfide (PPS) is employed as the base resin. In this manner, excellent wear resistance can be obtained. | 12-03-2009 |
| 20090285515 | Wheel Bearing Apparatus Incorporated With A Wheel Speed Detecting Apparatus - A wheel bearing apparatus incorporating a wheel speed detecting apparatus has an outer member and an inner member with a wheel hub and at least one inner ring. Double row rolling elements are contained between the inner and outer raceway surfaces of the inner and outer members. A sensor holder, with a wheel speed sensor to detect the wheel speed, is mounted on the end of the outer member. An encoder is mounted on the inner ring and arranged opposite to the wheel speed sensor, via a predetermined air gap. The sensor holder has an annular ring shaped cover and a holding portion of synthetic resin. The wheel speed sensor is embedded in the holding portion. The cover is press-formed of an anti-corrosion steel sheet. The cover has a cylindrical fitting portion fit onto the end of the outer member. A flange portion extends from the fitting portion and is in close contact with the end face of the outer member. A bottom portion further extends radially inward from the flange portion. At least the outer circumference of the end of the outer member onto, where the cover is fit, is anti-corrosion treated. | 11-19-2009 |
| 20090285514 | FLUID DYNAMIC BEARING DEVICE - Provided is a fluid dynamic bearing device which has excellent moment rigidity and an improved working efficiency in assembling and parts control, and in which a bearing sleeve can be easily manufactured. A plurality of bearing sleeves are axially disposed in the fluid dynamic bearing device. The bearing sleeves ( | 11-19-2009 |
| 20090284866 | FLUID BEARING DEVICE, METHOD OF MANUFACTURING THE SAME, AND DISK DRIVE DEVICE - Provided is a fluid bearing device with a hub part having high molding precision and dimensional stability and capable of being produced at low cost. An annular gate ( | 11-19-2009 |
| 20090279824 | GREASE-ENCLOSED BEARING FOR INVERTER-DRIVING MOTOR - The present invention provides a grease-enclosed bearing, for an inverter-driving motor, which is inexpensive and capable of effectively restraining damage from being generated by electrolytic corrosion. The grease-enclosed bearing for the inverter-driving motor has an inner ring ( | 11-12-2009 |
| 20090279819 | FLUID DYNAMIC BEARING DEVICE - To achieve an increase in bearing stiffness and cost reduction, an oil film is formed in a radial bearing clearance of a first radial bearing portion (R | 11-12-2009 |
| 20090279817 | FLUID DYNAMIC BEARING APPARATUS - A fluid dynamic bearing apparatus having an increased a value of tolerance for a moment load is provided. | 11-12-2009 |
| 20090274407 | ROLLING BEARING FOR TENTER CLIP - The present invention provides a rolling bearing, for a tenter clip, which is capable of restraining deterioration of a sealing member even though the sealing member contacts ester oil, and is excellent in reliability and durability at high temperatures. A periphery of an outer ring of the rolling bearing for use in the tenter clip of a film-stretching apparatus is lubricated with the ester oil. In the sealing member which covers openings disposed at both axial ends of an inner ring and the outer ring of the rolling bearing, at least a portion of the sealing member which contacts the ester oil is made of (A) a fluororubber molding of a vulcanizable fluororubber composition which comprises a copolymer containing tetrafluoroethylene (TFE), propylene, and a to-be-crosslinked monomer consisting of unsaturated hydrocarbon, having two to four carbon atoms, in which a part of hydrogen atoms is substituted with fluorine atoms or (B) a fluororubber molding of at least one fluororubber composition selected from a vulcanizable fluororubber composition containing a TFE-propylene binary copolymer and a vulcanizable fluororubber composition containing a vinylidene fluoride-TFE-propylene ternary copolymer. | 11-05-2009 |
| 20090274405 | Wheel Bearing Apparatus for a Vehicle - A vehicle wheel bearing apparatus has a substantially cylindrical outer ring formed with double row outer raceway surfaces on its inner circumference and with press fitting surfaces on its outer circumferences of its cylindrical portions. A pair of inner rings is formed with inner raceway surfaces on their outer circumferences. The inner rings cylindrical portions have fitting surfaces on their inner circumferences. The fitting surfaces fit onto a cylindrical portion of a wheel hub. The inner rings are adapted to be arranged so that end faces of the cylindrical portions abut each other. Double row rolling elements are freely rollably arranged between outer and inner raceway surfaces. At least the outer ring of the outer and inner is formed by pressing or rolling from a plate member or a pipe member. The outer ring and the inner rings have cylindrical portions axially extending, respectively, from the outer raceway surfaces and the inner raceway surfaces. The thickness of the cylindrical portions of the outer ring is thinner than that of the outer raceway surfaces. Seals are arranged in annular spaces formed between the inner circumferences of the cylindrical portions of the outer ring and the outer circumferences of the cylindrical portions of the inner rings. The seals are adapted to be press-fit into the inner circumferences of the cylindrical portions of the outer ring. The double row outer raceway surfaces of the outer ring and the inner raceway surfaces of the inner ring are surface hardened. | 11-05-2009 |
| 20090274404 | Wheel Bearing Apparatus Incorporated With A Wheel Speed Detecting Apparatus - A wheel bearing apparatus incorporating a wheel speed detecting apparatus has an outer member and an inner member. Double row rolling elements freely rollably contained between the inner and outer raceway surfaces. Seals are mounted in annular openings formed between the outer member and the inner member. A sensor holder is injection molded from synthetic resin with an embedded wheel speed detecting sensor. The holder is mounted on an inner side end of the outer member. The inner side seal of the seals includes a slinger mounted onto the outer circumference of the inner ring. A pulser ring has an encoder with circumferential characteristics that alternately and equidistantly change. A metal core is press formed from a steel plate and insert-molded into the sensor holder. A sealing member is integrally bonded to the metal core. A connector for electrically connecting the wheel speed detecting sensor to a harness, connected to an electronic circuit, is mounted at a predetermined position on the circumference of the sensor holder. The connector projects radially outward from the circumference at a predetermined inclined. A recess is formed in the connector. The recess is fit onto an inner side end of the outer member in a manner to cover the inner side end, via a predetermined interface. | 11-05-2009 |
| 20090268998 | WHEEL SUPPORT BEARING ASSEMBLY - A wheel support bearing assembly includes an outer member, an inner member and double row balls. The inner member includes a hub unit, which has a wheel mounting flange defined in an outer periphery thereof, and an inner ring mounted on the outer periphery of the inboard end of the hub unit. A shoulder is provided in an inner peripheral edge of the inboard end face of the inner ring. A crimped portion, engageable with a stepped face of the shoulder, is provided in the inboard end of the hub unit by diameter expansion. The crimped portion is formed by crimping such diameter expanded portion which is thin walled by providing a hub inner diameter setback in the inner periphery of the inboard end of the hub unit. This thin walled portion is positioned on a side inboardly of the straight line defining a ball contact angle in the inboard raceway surface. | 10-29-2009 |
| 20090265922 | APPARATUS FOR MANUFACTURING HYDRO DYNAMIC BEARING DEVICE METHOD - An apparatus for manufacturing a hydro dynamic bearing device is provided for the finishing treatment of lubricating oil after lubricating the hydro dynamic bearing device. The hydro dynamic bearing is constructed of an axial member housed in a housing, a radial bearing part for supporting the axial member in a non-contact manner in a radial direction by a hydro dynamic pressure action of the lubricating oil generated in a radial bearing clearance, and a sealing part arranged in an opening part of the housing, and the apparatus has a laser for measuring an oil-level height of the lubricating oil in the housing. | 10-29-2009 |
| 20090263063 | Wheel Bearing Apparatus For A Vehicle - A vehicle wheel bearing apparatus has an outer member, an inner member with a wheel hub and an inner ring. Double row rolling elements are freely rollably contained between the inner and outer raceway surfaces, respectively, of the inner member and the outer member. Seals are mounted in annular openings formed between the outer member and the inner member. The inner side seal of these seals comprises an annular slinger and an annular sealing plate. The sealing plate includes a steel plate metal core and a sealing member bonded to the metal core, via vulcanized adhesion. A plurality of sealing lips extends from the sealing member and is in sliding contact with the slinger. An outer circumferential lip is formed on the periphery of the sealing member. The outer circumferential lip extends radially outward. It has a substantially L-shaped cross-section and is adapted to fit into a gap between the outer member and a flange portion of a knuckle. An apex of the outer circumferential lip abuts against the flange portion of the knuckle with a predetermined engaging allowance. | 10-22-2009 |
| 20090260721 | METHOD OF RESTRAINED-QUENCHING OF ANNULAR MEMBER - A method of restrained-quenching of an annular member, that can readily ensure a sufficient effect of restraint, increase treatment efficiency of a quench hardening treatment, and suppress production cost of the annular member, includes a heating step, a first cooling step, a restraint step, and a second cooling step. In the heating step, a bearing ring formed as the annular member is heated to a temperature not lower than an A | 10-22-2009 |
| 20090260388 | AIR CYCLE REFRIGERATING/COOLING SYSTEM AND TURBINE UNIT USED THEREFOR - The air cycle refrigerating/cooling system compresses air that has flown in with a compressor ( | 10-22-2009 |
| 20090257698 | Wheel Bearing Apparatus For A Vehicle - A vehicle wheel bearing apparatus has an outer member, an inner member, double row rolling elements freely rollably contained between outer and inner raceway surfaces of the outer and inner members, and seals mounted within annular openings formed between the outer and the inner members. A backup seal is arranged radially outward of an outer side seal of the seals. The backup seal has a sealing lip inclined radially outward toward the outer side. The sealing lip slidingly contacts an annular metal member that is pressed from a steel sheet having preservation properties. The annular metal member is bolted on a side face of the wheel mounting flange of the inner side. | 10-15-2009 |
| 20090256551 | Rolling Bearing With Rotational Speed Sensor - The object is to produce even an magnetic encoder having a large outer diameter at a low cost, provide a sensor case which is compact in size and can be easily mounted and dismounted with a sensor element received therein, and to provide a double row rolling bearing with a preload application means and a rotational speed sensor which comprises a small number of parts and thus can be assembled easily. | 10-15-2009 |
| 20090256550 | Wheel Speed Detecting Apparatus And A Wheel Bearing Apparatus Incorporated With A Wheel Speed Detecting Apparatus - A wheel speed detecting apparatus incorporated with a wheel bearing apparatus. The wheel speed detecting apparatus has an encoder, and an annular sensor holder arranged opposite to the encoder. The sensor holder has an annular fitting member formed from a steel plate. A holding portion is integrally molded with the annular fitting member. A wheel speed sensor is arranged opposite to the encoder. Several substantially circular arc notches are formed on the outer circumference of the holding portion so that portions of the periphery of the annular fitting member are exposed from the holding portion. | 10-15-2009 |
| 20090252447 | Hub Wheel Of A Wheel Bearing Apparatus And A Manufacturing Method Thereof - A wheel hub of a wheel bearing apparatus has an outer member and an inner member. The inner member includes a wheel hub and an inner ring. The wheel hub has a wheel mounting flange, a shaft portion, an inner raceway surface, a cylindrical portion, a shoulder portion, and a through bore. The inner ring is press-fit onto the cylindrical portion abutting against the shoulder portion. Double row rolling elements are contained between the inner and outer raceway surfaces of the inner member and the outer member. Fiber flow near the inner circumference of the material forming the wheel hub from the shoulder to the open end surface of the wheel hub is in a condition substantially parallel to the axis of the wheel hub. | 10-08-2009 |
| 20090251133 | A Sensor Holder And A Wheel Bearing Apparatus Incorporated With A Wheel Speed Detecting Apparatus - A sensor holder has an encoder and a wheel speed sensor arranged opposite to the encoder, via a predetermined air gap. An annular fitting member is formed by pressing an anti-corrosive steel plate. A holding portion is formed of injection moldable synthetic resin and is integrally formed with the annular fitting member. The wheel speed sensor is embedded in the holding portion. At least a surface of the annular fitting member contacting the holding portion is roughened by shot blasting to have a surface roughness Ra of 0.8 or more. | 10-08-2009 |
