| NSK LTD. Patent applications |
| Patent application number | Title | Published |
|---|
| 20120132025 | Ball Screw - A ball screw prevents loosening of a bolt for fixing a deflector to reduce noise, and endures high-speed working conditions. A female hole is formed in a deflector arranged, with the both ends thereof joined together, at a position on both ends of the ball returning member on an inner peripheral surface of the nut. The deflector is fixed to the nut with two bolts inserted into a bolt insertion hole formed on the nut. A cross-section perpendicular to a scooping-up direction of the scooping-up surface of the deflector has a concave curved surface having a radius of curvature slightly larger than a radius of the ball. The concave curved surface is of a shape to scoop up the ball ejected from the ball rolling path in a tangential direction of a screw line. The deflector may be made of resin material. | 05-31-2012 |
| 20120125708 | STEERING APPARATUS - Low cost construction of a steering apparatus is provided that is capable of protecting an operator's knees | 05-24-2012 |
| 20120112443 | STEERING COLUMN SUPPORT APPARATUS - Construction of a steering column support apparatus is achieved that is able to suppress an increase in the height dimension, maintain a function of the steering column | 05-10-2012 |
| 20120085194 | Steering Device - A steering device is provided that is capable of facilitating an assembly operation, decreasing the number of parts, and decreasing manufacturing costs. A bottom plate of a stopper is tightened to an outer curved surface of an inner column between a head section and a bulged section of a rivet body. An outside diameter of the rivet body increases to eliminate a gap between a first through-hole and a second through-hole. The stopper remains stationary even when it touches a long hole at a telescopic stroke end and repeatedly receives an impact force. The durability of the stopper improves. There is no need for a nut for fixing the stopper to the inner column. The number of parts decreases to reduce manufacturing costs. | 04-12-2012 |
| 20120080874 | IMPACT ABSORBING STEERING APPARATUS - Construction of an impact absorbing steering wheel apparatus that is capable of obtaining excellent performance at low cost while maintaining the freedom of design is achieved. An energy absorbing member comprises: a base plate section | 04-05-2012 |
| 20120079721 | ASSEMBLING METHOD OF BEARING UNIT - There is provided an assembling method of a bearing unit which has a bearing having an outer ring and a retainer plate having a retainer hole for holding the outer ring. The assembling method has pressing a plurality of portions in a circumferential direction of a circumferential edge of an inner circumferential portion of the retainer hole of the retainer plate in an axial direction so as to form engagement pawls and moving the engagement pawls of the retainer plate from one axial end of the outer ring to a engagement groove formed on an outer circumferential surface of the outer ring so as to engage the engagement pawls of the retainer plate with the engagement groove of outer ring. | 04-05-2012 |
| 20120024077 | INCLUSION RATING METHOD - An inclusion rating method includes carrying out a tensile test on a test specimen, which is made of a metallic material and charged with a hydrogen, to cause a fracture originating from a nonmetallic inclusion affected by the hydrogen in the test specimen, identifying a type of the nonmetallic inclusion, measuring a size of the nonmetallic inclusion, and evaluating a cleanliness of the metallic material by obtaining a distribution function of the size of the nonmetallic inclusion. | 02-02-2012 |
| 20110284312 | ELECTRIC POWER STEERING DEVICE - An electric power steering device is provided with a construction that can suppress the generation of stick slip between the outer peripheral face of a rotation shaft ( | 11-24-2011 |
| 20110276229 | ELECTRIC POWER STEERING APPARATUS | 11-10-2011 |
| 20110264331 | ELECTRIC POWER STEERING APPARATUS - [Problem] The present invention provides a motor control apparatus that is capable of making the whole system robust not only with respect to motor parameter variations such as the temperature variation and the manufacturing unevenness but also with respect to disturbances and an electric power steering apparatus mounting the motor control apparatus thereon. | 10-27-2011 |
| 20110255811 | ROLLING ELEMENT ACCOMMODATING BELT FOR LINEAR GUIDE APPARATUS, LINEAR GUIDE APPARATUS AND METALLIC MOLD FOR MANUFACTURING ROLLING ELEMENT ACCOMMODATING BELT - The metallic mold | 10-20-2011 |
| 20110250998 | Pulley Support Structure for Belt-Drive Continuously Variable Transmission and Belt-Drive Continuously Variable Transmission - A pulley support structure for a belt-drive continuously variable transmission and a belt-drive continuously variable transmission are provided that are able to control the occurrence of Mindlin slip itself, and in cases where Mindlin slip has occurred, are able to effectively reduce the effects thereof. In this pulley support structure for a belt-drive continuously variable transmission, 2500 MPs or less is the maximum contact pressure during use between the raceway surfaces of the inner wheel and outer wheel and the rolling elements in the various roller bearings for rotatably supporting the pulleys for the continuously variable transmission. The rolling element surface hardness is HRc 60 or greater, and is at least 1 HRc harder than that of the raceway surfaces. The surface of the rolling element is nitrided or carbonitrided, and the nitrogen concentration in the surface is 0.2% by mass or greater and 2.0% by mass or less. Radial direction gap in the various roller bearings during use is −30 μm or greater and 10 μm or less. | 10-13-2011 |
| 20110249928 | NEEDLE BEARING - The present invention provides a needle bearing including a cage that is shrinkable or extensible in a circumferential direction, which can prevent plastic deformation and ensure both of a sufficient strength for axial torsion and a sufficient deformation amount. | 10-13-2011 |
| 20110241661 | BEARING RESIDUAL LIFE PREDICTION METHOD, BEARING RESIDUAL LIFE DIAGNOSTIC APPARATUS AND BEARING DIAGNOSTIC SYSTEM - A bearing residual life prediction method, a bearing residual life diagnostic apparatus and a bearing diagnostic system can be provided. The bearing diagnostic system | 10-06-2011 |
| 20110231064 | ELECTRIC POWER STEERING APPARATUS - [Problem] The present invention provides an electric power steering apparatus that is capable of suppressing behaviors of steering assist and performing assist control without an uncomfortable feeling even though a power voltage varied drastically during cranking. | 09-22-2011 |
| 20110185839 | POSITION ADJUSTMENT DEVICE FOR STEERING WHEEL - The present invention realizes a structure for a tilt-telescopic steering device, capable of, without requiring particularly high accuracy, effectively preventing a steering wheel from being positionally displaced in a secondary collision. When an adjustment lever | 08-04-2011 |
| 20110158573 | THRUST ROLLER BEARING AND METHOD FOR MANUFACTURING THRUST RACE THEREOF - A thrust race of a thrust roller bearing has a race portion and a cylindrical portion extending from the race portion in an axial direction. At a plurality of locations along a circumferential direction on the cylindrical portion, cutout portions are formed such that each of the cutout portions is recessed in the axial direction from a distal edge of the cylindrical portion toward the race portion. A protrusion is provided at a portion closer to the race portion from a bottom edge of each of the cutout portions such that the protrusion protrudes in a radial direction from the cylindrical portion toward a side away from the race portion. The protrusion serves as a race-retaining locking portion to prevent a race from moving out from a mating member on which the race is mounted. | 06-30-2011 |
| 20110152138 | ROLLING BEARING AND MANUFACTURING METHOD THEREOF - To provide a rolling bearing which is superior in preventing electrolytic corrosion, suitable for use in applications where torque reduction of the bearing is required by reducing an amount of lubricant used or by using a lubricant having a low viscosity, and has superior acoustic characteristics and durability, a rolling element according to the present invention is made of an alumina-zirconia composite material including an alumina component and either a zirconia component or a yttria-zirconia component containing 1.5 to 5 mol % of yttria, a mass ratio of the alumina component to the zirconia component or the yttria-zirconia component being 5:95 to 50:50. | 06-23-2011 |
| 20110142389 | TAPERED ROLLER BEARING RESIN CAGE AND TAPERED ROLLER BEARING - There is provided a resin cage of a tapered roller bearing. The cage includes a small diameter annular portion, a large diameter annular portion, and a plurality of bar portions arranged at intervals in a circumferential direction to connect the annular portions. The bar portion has a pair of circumferentially-directed side surfaces, each having a roller guide surface, and an inner-side inner peripheral surface, a circumferential width of which is smaller on a side of the large diameter annular portion than on a side of the small diameter annular portion, and has a roller retaining region in which a radially outer side pocket width and a radially inner side pocket width between the opposed circumferentially-directed side surfaces of the adjacent bar portions are smaller than a diameter of the roller. | 06-16-2011 |
| 20110142388 | BALL BEARING AND HYBRID VEHICLE TRANSMISSION - A ball bearing includes an inner ring having a raceway surface, an outer ring having a raceway surface, a plurality of rolling elements rollably disposed between the raceway surface of the inner ring and the raceway surfaces of the outer ring, and a resin cage configured to retain the plurality of rolling elements between the inner ring and the outer ring. The cage is a crown type cage having an annular base portion and a plurality of pockets formed in an axial end face of the annular base portion, in which the pockets retain the rolling elements. An axial distance between an axial position of a center of gravity of the cage and a curvature center of a spherical or cylindrical inner surface of each of the pockets is 0.6 or more times a radius of curvature of the inner surface. A hybrid vehicle transmission has this ball bearing. | 06-16-2011 |
| 20110130244 | TOROIDAL CONTINUOUSLY VARIABLE TRANSMISSION - A toroidal continuously variable transmission of the present invention comprises: input side disks ( | 06-02-2011 |
| 20110099813 | METHOD OF MANUFACTURING BEARING RING MEMBER FOR ROLLING BEARING UNIT - A method for manufacturing a bearing ring member for a rolling bearing unit is provided. In this method, a blank hollow cylindrical portion having a smaller diameter than a hollow cylindrical portion is formed, the blank hollow cylindrical portion is radially expanded to form the hollow cylindrical portion, and a raceway surface is formed on either inner or outer circumferential surface of the hollow cylindrical portion along a circumferential direction thereof. | 05-05-2011 |
| 20110069917 | ROLLING BEARING - A conveyor bearing includes an inner ring fitted on and fixed to a shaft, a plurality of rolling elements arranged rollably on a raceway surface of the inner ring, an outer ring disposed of rotatably relative to the inner ring via the rolling elements, and a seal member to seal in a grease between the outer ring and the inner ring. The seal member has a plurality of seal lips and is mounted on at least one location on the bearing. | 03-24-2011 |
| 20110048097 | METHOD OF MANUFACTURING OUTWARDLY FLANGED METAL MEMBER - There is provided a method of manufacturing an outwardly flanged metal member, by which a metal member having outward flange portions which extend radially outwardly from a plurality of positions along a circumferential direction on an outer peripheral surface can be formed without a flash, or with a reduced amount of a flash. While surrounding a periphery of a metal blank | 03-03-2011 |
| 20110027542 | EXPOSURE APPARATUS AND EXPOSURE METHOD - An exposure method includes the steps of: detecting an alignment mark of a work W and an alignment mark of a mask M by an alignment camera | 02-03-2011 |
| 20100294072 | TELESCOPIC STEERING COLUMN APPARATUS - To realize a practical structure capable of increasing the number of frictional engagement sections between members that are relatively displaced in response to adjustment of a front-rear position of a steering wheel, in a portion of a front end section of an outer column | 11-25-2010 |
| 20100286871 | CONTROL APPARATUS FOR ELECTRIC POWER STEERING APPARATUS - The present invention provides a control apparatus for an electric power steering apparatus comprises: a steering assist command value calculating section; a current control section that calculates a voltage command value; and a motor driving section that drives a motor based on the voltage command value, wherein an assist power from the motor is applied to a steering system, the control apparatus is characterized in that an SAT measuring section, that inputs an angular speed and an angular acceleration of the motor, the steering assist command value and the torque signal therein so as to estimate an SAT, is provided, and the SAT obtained by the SAT measuring section is feedbacked to the steering assist command value via a feedback section composed of a phase compensating section and a gain section. | 11-11-2010 |
| 20100280715 | CONTROL APPARATUS FOR ELECTRIC POWER STEERING APPARATUS - The present invention provides a control apparatus for an electric power steering apparatus comprises: a steering assist command value calculating section; a current control section that calculates a voltage command value; and a motor driving section that drives a motor based on the voltage command value, wherein an assist power from the motor is applied to a steering system, the control apparatus is characterized in that an SAT measuring section, that inputs an angular speed and an angular acceleration of the motor, the steering assist command value and the torque signal therein so as to estimate an SAT, is provided, and the SAT obtained by the SAT measuring section is feedbacked to the steering assist command value via a feedback section composed of a phase compensating section and a gain section. | 11-04-2010 |
| 20100254642 | Roller Bearing Device Having Radial-Plane Arrangement Structure of Rotation Sensor - Provided is a roller bearing device, which is suitable for preventing misdetection of a rotation sensor when a moment load is applied. A thin motor | 10-07-2010 |
| 20100242665 | STEERING APPARATUS - The invention provides a steering apparatus which includes: an inner column | 09-30-2010 |
| 20100209031 | HUB UNIT BEARING - A hub unit bearing H | 08-19-2010 |
| 20100184543 | CONTINUOUSLY VARIABLE TRANSMISSION, ACTUATOR AND INTERMEDIATE TERMINAL - Since a threaded shaft | 07-22-2010 |
| 20100183256 | ANGULAR BALL BEARING - When an outer diameter of an outer ring | 07-22-2010 |
| 20100168963 | CONTROL SYSTEM FOR ELECTRONIC POWER STEERING - There is provided a control system for an electronic power steering. The control system includes: a SAT estimating portion for estimating a self aligning torque (SAT) of a vehicle by inputting an angular velocity and an angular acceleration of a motor, a steering torque, and a current command value; and a motor current correction value calculating portion for deciding a running state of the vehicle based on a SAT estimation value estimated by the SAT estimating portion, a vehicle speed, and a steering angle, and correcting the current command value by calculating a motor current correction value based on the SAT estimation value in accordance with the running state. According to this configuration, an offset torque can be always corrected precisely irrespective of a road surface situation or a driving condition such as a straight line running, and thus a comfortable steering performance can be attained by lessening driver's fatigue. | 07-01-2010 |
| 20100162843 | RACK AND MANUFACTURING METHOD THEREOF - To sufficiently secure the width dimension, strength and rigidity of the rack teeth | 07-01-2010 |
| 20100162831 | STATE MEASURING APPARATUS FOR ROLLING BEARING UNIT AND METHOD OF MANUFACTURING THE SAME - The sensor holder has an annular portion that holds the sensors. A holding ring that is securely fitted in an inner peripheral surface of a cylinder portion constituting a cover made of metal in terms of a large tight fit is embedded in an intermediate portion of this annular portion in the axial direction. A portion of a folded portion of the holding ring in the axial direction is set in a just center position between axial positions of sensing portions of both sensors. According to this configuration, the above problem is solved by preventing such a situation that the thermal expansion or the thermal contraction yields a phase difference between the output signals of both sensors. | 07-01-2010 |
| 20100148603 | Electric Power Steering Device - There is provided an electric power steering device, whereby it is possible to establish an electrical connection between an electric motor and a motor control unit with ease, and it is possible to suppress the electrically connecting portion of the electric motor and the motor control unit from influencing to assembling of any other part. A plate-shaped motor control unit electrically connected with an electric motor | 06-17-2010 |
| 20100132499 | TELESCOPIC SHAFT FOR VEHICLE STEERING SHAFT AND GREASE COMPOSITION FOR LUBRICATING TELESCOPIC SHAFT - The invention provides a telescopic shaft for vehicle steering installed in a vehicle steering shaft. A male shaft and a female shaft are non-rotatably and slidably fitted to each other and an outer peripheral portion of the male shaft and an inner peripheral portion of the female shaft come in contact with each other to transmit a torque during rotation. A grease composition which has an apparent viscosity of 400 to 750 Pa·s (25° C.) at a shear rate of 10 sec | 06-03-2010 |
| 20100109273 | STEERING APPARATUS, MANUFACTURING METHOD OF STEERING APPARATUS AND MANUFACTURING METHOD OF SHAFT - An intermediate shaft is provided which connects a steering shaft and a steering gear mechanism together via a universal joint, a shoulder bolt is provided which fastens one of yokes of the universal joint and a shaft portion of the intermediate shaft and on which a small diameter portion and a large diameter portion which are adapted to be brought into engagement with an outer circumferential surface of the shaft portion are formed sequentially from a distal end portion side, and the intermediate shaft has a bolt engagement recess portion which is formed on an outer circumferential surface of the shaft portion in such a manner as to extend in a direction which intersects an axial direction and which is adapted to be brought into engagement with the large diameter portion of the shoulder bolt and a dislocation preventive projecting portion which is formed on an outer circumferential surface of an end portion thereof, whereby a temporary fastening is implemented by bringing the small diameter portion of the shoulder bolt into engagement with an outer circumferential surface which lies adjacent to the bolt engagement recess portion, and a final fastening is implemented by bringing the large diameter portion of the shoulder bolt into engagement with the bolt engagement recess portion. | 05-06-2010 |
| 20100101091 | MANUFACTURING METHOD FOR BEARING OUTER RING - Provided is a manufacturing method of an outer ring ( | 04-29-2010 |
| 20100084215 | TORQUE DETECTOR, METHOD OF PRODUCING SAME AND ELECTRIC POWER STEERING DEVICE - A torque detector capable of achieving reduced size, a method of producing the same and an electric power steering device are provided. The torque detector has: a first shaft body and a second shaft body; a connecting shaft for connecting them; a permanent magnet fixed to the first shaft body; a plurality of magnetic bodies and auxiliary magnetic bodies, fixed to the second shaft body and arranged within the magnetic field of the permanent magnet, for forming the magnetic circuit of the permanent magnet; and a magnetic flux detector for detecting magnetic flux by induction of the magnetic bodies and the auxiliary magnetic bodies, and detects torque based on a detection output of the magnetic flux detector when the torque has acted on the first shaft body or the second shaft body, wherein the permanent magnet is formed into the shape of a flat annular body surrounding the connecting shaft or the first shaft body, and has different magnetic poles alternately magnetized in the axial direction, and opposes the magnetic bodies and the auxiliary magnetic bodies in the axial direction of the first shaft body. | 04-08-2010 |
| 20100058591 | METHOD FOR MANUFACTURING A BEARING RING MEMBER - The present invention provides a manufacturing method of a bearing ring member such as an outer ring comprising an installation portion on the outer peripheral surface and a double row of outer-ring raceways on the inner peripheral surface, in which a raw material is processed to obtain a final stage intermediate member through a first upsetting process, a forward-backward extrusion process, a second upsetting process, a burr removing process, and a punching process, wherein a movable die which leaves a stationary die in the final step is used in the second upsetting process, and the excess metal material is moved toward outside in the radial direction to a portion which become the installation section and a burr formation section, exposing a high pure metal material at least in a portion where the load of rolling bodies acts so as to ensure the rolling fatigue life of the both of outer-ring raceways. | 03-11-2010 |
| 20100054651 | DRAWN CUP NEEDLE ROLLER BEARING HAVING SEAL RING AND MANUFACTURING METHOD THEREOF - A drawn cup needle roller bearing | 03-04-2010 |
| 20100046870 | METHOD FOR MANUFACTURING WHEEL SUPPORTING ROLLING BEARING UNIT AND METHOD FOR INSPECTING DOUBLE ROW ROLLING BEARING UNIT - In a wheel supporting rolling bearing unit in which pitch circle diameters of balls | 02-25-2010 |
| 20100034610 | SPINDLE DEVICE AND MACHINING CENTER INCLUDING THE SAME - To provide a spindle device and a machining center, in which spindle replacement can be carried out in an extremely short time, downtime during maintenance is short, and productivity is high. In a spindle device | 02-11-2010 |
| 20100028094 | SPINDLE DEVICE, MACHINING CENTER INCLUDING THE SPINDLE DEVICE, AND METHOD FOR ASSEMBLING THE SPINDLE DEVICE - A spindle device | 02-04-2010 |
| 20100027110 | OBSERVABLE CENTRIFUGAL APPARATUS AND OBSERVATION APPARATUS - Disclosed is an observable centrifugal apparatus capable of checking in real time a state of a sample during reaction of separation or synthesization in the form of a stable and high-quality image at a high frame rate. An observable centrifugal apparatus A has a rotary disc | 02-04-2010 |
| 20100021097 | Rolling Device - A rolling device in which rust development or damage on a raceway surface or rolling surface is hard to occur even if water and the like intrude is provided. A self-aligning roller bearing comprises an inner ring | 01-28-2010 |
| 20100017064 | METHOD FOR TUNING ELECTRIC POWER STEERING APPARATUS - An electric power steering apparatus is tuned by a step- | 01-21-2010 |
| 20100017063 | ELECTRIC POWER STEERING APPARATUS - An electric power steering apparatus in which the intensity and directions of drive currents flowing in remaining phases continues motor rotation driving. An abnormality detect unit ( | 01-21-2010 |
| 20100014794 | ROLLING BEARING - There is provided a rolling bearing which comprises at least: an outer ring | 01-21-2010 |
| 20100011582 | Process for Manufacturing a Bearing Ring Member as a Constituent of a Rolling Bearing Unit for Wheel Support - This invention provided a manufacturing method to process a small-diameter step section | 01-21-2010 |
| 20100000366 | STEERING COLUMN DEVICE - A steering column device where an inner column can be reliably clamped and sufficient rigidity and strength of an outer column can be achieved. A semi-circular arc rib ( | 01-07-2010 |
| 20090322268 | ELECTRIC POWER STEERING APPARATUS - There is provided a three-phase brushless motor | 12-31-2009 |
| 20090308189 | STEERING DEVICE - Provided are a steering device and a feed screw mechanism. The steering device is made so easy in the adjusting work of a backlash that it can eliminate the backlash reliably, even if the precision of the thread of a feed thread shaft or a feed nut is poor, thereby to improve the rigidity and to reduce the manufacturing cost of the feed screw mechanism. An upper-side end portion feed nut is urged upward of | 12-17-2009 |
| 20090304318 | Electrolytic Erosion Preventing Insulated Rolling Bearing, Manufacturing Method Thereof, and Bearing Device - In order to ensure high levels of insulation performance, and low cost, and have an excellent external appearance, as a ceramic constituting an insulating coating | 12-10-2009 |
| 20090297259 | STEERING APPARATUS - To provide a steering apparatus which can ensure the transmission of rotational torque of a steering shaft even when weld joining between a shaft and a shaft coupling is insufficient. | 12-03-2009 |
| 20090295325 | Electric Power Steering Apparatus and Method of Assembling the Same - To provide an electric power steering apparatus in which it is possible to minimize a connection distance between a control unit and an electric motor and surely prevent electric noise from mixing between the control unit and the electric motor as well as to minimize electric resistance and minimize an electric loss by directly connecting the control unit and connection terminals of the electric motor and a torque sensor. A motor control apparatus includes a steering column | 12-03-2009 |
| 20090294203 | electric power steering apparatus - Deflectors ( | 12-03-2009 |
| 20090286646 | TOROIDAL CONTINUOUSLY VARIABLE TRANSMISSION UNIT - In a toroidal continuously variable transmission unit, a pair of guide surface portions | 11-19-2009 |
| 20090277294 | STEERING APPARATUS - In the event that a moment in a bending direction is generated in a pinion shaft, for example, when a vehicle is involved in a collision or the like, since a bending facilitating portion which is a circumferential groove | 11-12-2009 |
| 20090272599 | Electric Power Steering Apparatus - To provide an electric power steering apparatus in which it is possible to reduce a size of the entire structure of a control unit while sufficiently showing a heat radiation effect of heat generating members. The electric power steering apparatus includes a steering column | 11-05-2009 |
| 20090272219 | STEERING COLUMN SYSTEM - To provide a steering column system which has superior operating feeling and operating properties and which can suppress an operation failure, | 11-05-2009 |
| 20090271069 | CONTROL UNIT OF ELECTRIC POWER STEERING APPARATUS - According to the present invention, a control unit of an electric power steering apparatus transmitting a steering assist force generated by a motor to a steering mechanism so as to reduce a steering force, the control unit includes a steering angle sensor for detecting a steering angle, a torque sensor for detecting a steering torque, a vehicle speed detecting means for detecting a vehicle speed, and a control means for controlling the motor on the basis of the steering angle, a steering angular speed, the steering torque and the vehicle speed, and the control means has a handle return control function, and corrects a steering feeling in accordance with the steering angle on the basis of the handle return control function. | 10-29-2009 |
| 20090267430 | ELECTRIC POWER STEERING APPARATUS - An electric power steering apparatus according to the invention includes an electric motor to be connected to a control unit through bus bars respectively projected from the inside of the electric motor and is structured such that the control unit controls the drive of the electric motor to thereby assist the steering of a vehicle. The control unit is fixed to a fixing base which is structured as a composing element of the electric motor, and the fixing base covers the connecting portion between the bus bars and control unit. | 10-29-2009 |
| 20090266640 | ELECTRIC POWER STEERING APPARATUS - Since a housing | 10-29-2009 |
| 20090266187 | STEERING APPARATUS - Under a state of a normal temperature, a pitch B | 10-29-2009 |
| 20090263066 | ROLLING BEARING UNIT FOR WHEEL SUPPORT - It is possible to obtain best performance in a structure in which moment rigidity can be improved by setting a pitch circle diameter of an outboard row to be larger than a pitch circle diameter of an inboard row. | 10-22-2009 |
| 20090263065 | BEARING UNIT RACEWAY RING MEMBER, BEARING UNIT, AND METHOD AND APPARATUS FOR MANUFACTURING BEARING UNIT RACEWAY RING MEMBER - There is provided a bearing unit including one raceway ring | 10-22-2009 |
| 20090260467 | STEERING RACK AND METHOD OF MANUFACTURING THE SAME - When a punch is downwardly pressed, an inner circumferential surface of a first rack blank bites into a top surface of a second rack blank. A blank material upwardly flows due to a reaction force and is used to form rack teeth. Thus, a filling degree of the teeth with the material is enhanced. At the time when the forming of the rack teeth is finished, a gap is left between the inner circumferential surface of the first rack blank and the outer circumferential surface of the second rack blank. Thus, a die is not put into a sealed condition. Consequently, a forming load is small so that the lifetime of the die is lengthened. Also, the top surface of the second rack blank bites into a bore hole portion of the first rack blank so that the first rack blank and the second rack blank are joined together. Accordingly, the rigidity of the entire rack teeth is increased. | 10-22-2009 |
| 20090256341 | FASTENER - A fastener ( | 10-15-2009 |
| 20090255349 | ELECTRIC POWER STEERING APPARATUS - In an electric power steering apparatus equipped with a torque sensor that detects torque, the torque sensor has a coil yoke, a coil disposed within the coil yoke, a base section, and a yoke retainer which covers the coil yoke and fixes the coil yoke to the base section. | 10-15-2009 |
| 20090250894 | STEERING APPARATUS - Even when bending stress acts on a steering gearbox | 10-08-2009 |
| 20090249909 | SPEED REDUCER AND ELECTRIC POWER STEERING APPARATUS HAVING THE SAME - A speed reducer is provided. The speed reducer includes a worm shaft which is elastically preloaded in a meshing direction, a worm wheel, a biasing member having a fitting portion which is fitted on an axial end portion of the worm shaft arranged inside a housing, and a holder which supports the biasing member with a spring such that the basing member is movable in the meshing direction of the worm shaft and the worm wheel. The worm shaft is supported inside the housing via a bearing which is arranged in series with the holder in an axial direction, and the holder and the bearing are biased in the axial direction by an elastic member and are positioned on a stepped portion formed on an interior of the housing. | 10-08-2009 |
| 20090241721 | STEERING APPARATUS - A steering apparatus including an attaching bracket having a slot, respectively, a column supported on the attaching bracket, a fastening rod inserted into the slot and the column, an operation lever attached to the fastening rod, a cam mechanism converting an operating movement of the operation lever into an axial movement of the fastening rod, and a tilt lock mechanism including an eccentric cam rotating in accordance with the operation of the operation lever, an irregularity portion being formed on a cam face of the eccentric cam, and an irregularity portion formed on the cam face. When the operation lever is operated, the cam mechanism moves the fastening rod so as to fasten and clamp the column by the attaching bracket at a desired tilt position and the irregularity portion comes into contact with the attaching bracket so as to regulate an upward movement of the column. | 10-01-2009 |
| 20090240389 | ELECTRIC POWER STEERING APPARATUS - An electric power steering apparatus includes motor relative angle detect means | 09-24-2009 |
| 20090220181 | Resin Cage and Rolling Bearing - A resin snap cage | 09-03-2009 |
| 20090215583 | Rotation support apparatus - A rotation-support apparatus having construction in which large force is not applied to continuous sections between column sections | 08-27-2009 |
| 20090199404 | MANUFACTURING METHOD OF AN OUTER RING FOR A BEARING UNIT - With respect to an outer ring | 08-13-2009 |
| 20090192679 | CONTROL APPARATUS FOR ELECTRIC POWER STEERING APPARATUS - The present invention provides a control apparatus for an electric power steering apparatus comprises: a steering assist command value calculating section; a current control section that calculates a voltage command value; and a motor driving section that drives a motor based on the voltage command value, wherein an assist power from the motor is applied to a steering system, the control apparatus is characterized in that an SAT measuring section, that inputs an angular speed and an angular acceleration of the motor, the steering assist command value and the torque signal therein so as to estimate an SAT, is provided, and the SAT obtained by the SAT measuring section is feedbacked to the steering assist command value via a feedback section composed of a phase compensating section and a gain section. | 07-30-2009 |
| 20090183940 | Electric Power Steering Apparatus - To provide an electric power steering apparatus in which ground processing for respective sections requiring a ground can be reduced to necessary minimum to improve assemblability. An electric power steering apparatus includes a steering column | 07-23-2009 |
| 20090173300 | CAM FOLLOWER DEVICE - A cam follower device includes a pair of plate-shaped rocker arms | 07-09-2009 |
| 20090165274 | BALL BEARING MANUFACTURING FACILITY AND SUPER FINISH MACHINING APPARATUS - A detection unit of a matching apparatus | 07-02-2009 |
| 20090131235 | Ball Bearing for Spindle Turning Device of Machine Tool and Spindle Turning Device of Machine Tool Using the Same - A ball bearing for spindle turning device for use in the spindle turning device of a machine tool, and a spindle turning device for a machine tool using the same, which is compatible with machine tools whose recent trend is for more composite configurations while maintaining and achieving higher accuracy (higher rotational accuracy), greater stiffness and reductions in torque and heat generation is to be provided. In a ball bearing for spindle turning device for use in the spindle turning device of a machine tool, the sectional size ratio (B/H) between the axially cut sectional width B and the radially cut sectional height H is set to be (B/H)<0.63 where it is a single row ball bearing or the sectional size ratio (B | 05-21-2009 |
| 20090125187 | CONTROL UNIT OF ELECTRIC POWER STEERING APPARATUS - In a control unit of an electric power steering apparatus for driving a motor with a current command value and giving an assist torque to a steering mechanism by driving the motor, the control unit is provided with a motor angle sensor; a torque sensor; a relative steering angle detecting section for detecting a relative steering angle; a steering angular speed detecting section for detecting an angular speed of the motor; a vehicle speed determining section; a neutral point calculating section for determining that a vehicle is being driven straightly, and calculating by considering that the relative steering angle when the straight driving continues for not less than a predetermined time is a neutral point; and an absolute steering angle calculating section for calculating an absolute steering angle with a difference between the neutral point and the relative steering angle. | 05-14-2009 |
| 20090123105 | THRUST ROLLER BEARING - A thrust roller bearing | 05-14-2009 |
| 20090120714 | Electric Power Steering Apparatus - A electric power steering apparatus having a steering torque detecting unit for detecting a steering torque transmitted to the steering system; an electric motor for generating a steering assist force to give to the steering system; a motor control unit for controlling the electric motor based on at least the steering torque. The apparatus comprises a motor stop condition detecting unit for detecting a condition to stop the electric motor while the electric motor is under control by the motor control unit; and an electromagnetic brake control unit over the electric motor in order to suppress a kick-back based on at least either one of a steering condition of the steering system and a running condition of the vehicle when a detection result by the motor stop condition detecting unit shows that a condition occurs to stop the electric motor. | 05-14-2009 |
| 20090120229 | STEERING COLUMN DEVICE - Since a fixed piece 7 is attached to a fixed bracket 1 by means of bolts BT, BT, the impact force by which sliding of a skid bracket 2 is started can be arbitrarily set by adjusting tightening force of the bolts BT, BT. | 05-14-2009 |
| 20090120226 | RACK AND PINION TYPE STEERING DEVICE AND METHOD OF MANUFACTURING THE SAME - A rack and pinion type steering device capable of reducing contact surface pressure, suppressing the wear of contact surfaces, and preventing a rack guide movable amount from being excessively increased by increasing the contact area of the outer peripheral surface of roller on the outer peripheral surface of a rack shaft in a rack guide, and method of manufacturing the steering gear. | 05-14-2009 |
| 20090071745 | CONTROL UNIT FOR ELECTRIC POWER STEERING APPARATUS - The present invention provides a high-performance control unit for an electric power steering apparatus structured such as to improve a steering feeling at a time of a control stop of the control apparatus by calculating a steering torque correction short-amount without stopping a function of a motor control signal monitoring means and applying an electromagnetic brake to the motor in correspondence to the steering torque correction short-amount even in the case of stopping a motor control during generation of a steering assist torque, lighten a load applied to a driver due to a rapid release of a tire torsion force at a time of stopping the assist, and prevent a driver from feeling an uncomfortable feeling. | 03-19-2009 |
| 20090056135 | ASSEMBLING METHOD OF BEARING UNIT - There is provided an assembling method of a bearing unit which has a bearing having an outer ring and a retainer plate having a retainer hole for holding the outer ring. The assembling method has pressing a plurality of portions in a circumferential direction of a circumferential edge of an inner circumferential portion of the retainer hole of the retainer plate in an axial direction so as to form engagement pawls and moving the engagement pawls of the retainer plate from one axial end of the outer ring to a engagement groove formed on an outer circumferential surface of the outer ring so as to engage the engagement pawls of the retainer plate with the engagement groove of outer ring. | 03-05-2009 |
| 20090055049 | CONTROL APPARATUS OF ELECTRIC POWER STEERING APPARATUS - In a control apparatus of an electric power steering apparatus structured such as to control a motor applying a steering assist force to a steering mechanism on the basis of a current command value calculated from a steering assist command value calculated on the basis of a steering torque generated in a steering shaft and a current value of the motor, it is always possible to execute a high-performance control regardless of a steering speed, by setting a first differential compensator and a second differential compensator inputting a steering torque, making a sampling cycle of the second differential compensator slower than a sampling cycle of the first differential compensator, and adding outputs of the first differential compensator and the second differential compensator to the steering assist command value. | 02-26-2009 |
| 20090052826 | ROLLING BEARING UNIT FOR ROTATION SUPPORT UNIT - A retainer plate | 02-26-2009 |
| 20090052825 | PRELOAD MEASURING DEVICE FOR DOUBLE ROW ROLLING BEARING UNIT - A preload measuring device for a double row rolling bearing unit includes an outer bearing ring member having double rows of outer ring raceways on an inner circumferential surface, an inner bearing ring member having double rows of inner ring raceways on an outer circumferential surface, rolling elements rollably arranged between the outer ring raceways and the inner ring raceways in each of the rows such that contact angles given to the respective rows are opposite to one another, axial displacement measuring means for obtaining an axial relative displacement between the outer bearing ring member and the inner bearing ring member, inclination angle measuring means for obtaining an inclination angle between center axes of the outer bearing ring member and the inner bearing ring member, and preload calculating means for obtaining a preload applied to the rolling elements based on the inclination angle and the axial relative displacement. | 02-26-2009 |
| 20090050400 | ELECTRIC POWER STEERING APPARATUS - The vehicle front side end portion of a lower column tube | 02-26-2009 |
| 20090050091 | CAM FOLLOWER APPARATUS - As this radial needle bearing | 02-26-2009 |
| 20090045670 | DRIVING-WHEEL SUPPORTING HUB UNIT AND ITS MANUFACTURING METHOD - When an inner ring | 02-19-2009 |
| 20090044656 | STEERING COLUMN APPARATUS - When a telescopic gear base | 02-19-2009 |
| 20090043443 | VEHICULAR STEERING ANGLE ESTIMATING APPARATUS AND ELECTRIC POWER STEERING APPARATUS MOUNTED THEREWITH - A vehicular steering angle estimating apparatus including wheel rotational speed sensors for detecting rotational speeds of left and right wheels of a vehicle, provided with a steering angle estimating portion for estimating and outputting a estimated steering angle | 02-12-2009 |
| 20090038713 | ROLLING APPARATUS - A rolling apparatus including an external member having a raceway surface on an inner peripheral surface thereof, an internal member having a raceway surface on an outer peripheral surface thereof, and a plurality of rolling elements which are rotatably provided between the raceway surface of the external member and the raceway surface of the internal member. A surface of at least one of the internal member, the external member, and the rolling elements is subjected to carbonitriding or nitriding; an area percentage of a nitride containing Si and Mn is 1% or more and 20% or less; surface hardness is HV750 or more. When depth from the raceway surface or depth from a rolling surface of the rolling element is defined as Z and diameter of the rolling element is defined as d, hardness at Z=0.045 d is HV650 to 850, and hardness at Z=0.18 d is HV400 to 800. | 02-12-2009 |
| 20090038428 | Metal Member With Through Hole And Manufacturing Method Therefor - A structure and method are provided for forming a through hole at one portion of a side wall of an expanded portion made by plastically deforming one part of a metal tube radially outward, in a portion where the plate thickness gradually changes. A slide tool is withdrawn from inside a punch hole while applying hydraulic pressure to the inside of the side wall. Regarding a tip end face of the slide tool, a portion facing the portion of the side wall where the plate thickness is relatively thick is recessed. At the instant of commencing withdrawal of the slide tool, the degree of progress in the shearing for the portions of the side wall matching with the two side edges of the punch hole is made different. Then, the timing for moving from shearing to rupture is made to coincide, so that of the side wall, the portions matching with the punch hole, are made reliably into a blank, and are extracted from the side wall. | 02-12-2009 |
| 20090034897 | THRUST CYLINDRICAL ROLLER BEARING - A diameter dimension of a chamfer | 02-05-2009 |
| 20090033322 | STATE MEASURING APPARATUS FOR ROTARY MACHINE - There are provided first and second characteristic change portions | 02-05-2009 |
| 20090031844 | TILT-TYPE STEERING APPARATUS - A tilt-type steering apparatus includes a steering column swingably supported by a tilt pivot shaft and rotatably supporting a steering shaft to which a steering wheel is attached, and a tilt bracket fixed to a vehicle body member and tiltably holding the steering column Stress cushioning member is disposed between the steering column and the tilt bracket. | 02-05-2009 |
| 20090014231 | ELECTRIC POWER STEERING APPARATUS - An electric power steering apparatus including a steering system into which steering torque is inputted, an electric motor for imparting steering assist force to the steering system, a controller for controlling a energizing state of the electric motor according to the steering torque, a terminal board electrically connected to the electric motor, and a control unit provided with a connector, wherein a mounting face of the electric motor with respect to the control unit, a mounting face of the terminal board with respect to the control unit, and a mounting face of the connector with respect to the control unit are arranged on a same plane. | 01-15-2009 |
| 20090013795 | TORQUE SENSOR - A change in a magnetic resistance generated between a plurality of windows | 01-15-2009 |
| 20090010581 | Hub Unit Bearing - A sealing device | 01-08-2009 |
| 20090009127 | MOTOR CONTROL DEVICE AND ELECTRIC POWER STEERING DEVICE USING THE SAME - A motor driving control device includes a current instruction value computing section | 01-08-2009 |
| 20090007710 | BALL SCREW - A ball screw in which surface hardness of balls is higher than both of surface hardness of a ball screw groove of a screw shaft and surface hardness of a ball screw groove of a nut, and a solid lubricant film is formed on a surface of the balls with a thickness of 1 μm or more and 5 μm or less. Further, cross-sectional shape of grooves | 01-08-2009 |
| 20090003742 | Grease Composition For Hub Unit Bearing, And Hub Unit Bearing For Vehicle - An object of the invention is to provide a grease composition capable of keeping a good lubrication condition for a long period of time even when water has mixed therein, thereby inhibiting white structure flaking and corrosion. Another object is to provide a vehicular hub unit bearing which hardly suffers from white structure flaking and corrosion even when used in an environment where water may penetrate into it and which therefore has a long life. | 01-01-2009 |
| 20090001245 | BEARING FIXING DEVICE AND BEARING UNIT - A rolling bearing fixing device includes at least one bearing having mutually rotatable inner and outer rings, a housing having at least one fitting hole into which the bearing is fitted and a bolt insertion hole, a pair of fixing plates having at least one large-diameter hole and a bolt insertion hole; and a bolt inserted from one axial end into the bolt insertion hole of one fixing plate, the bolt insertion hole of the housing, and the bolt insertion hole of the other fixing plate, and connects the housing with the pair of fixing plates. Both axial end parts of the outer ring are held by the pair of fixing plates in the axial direction, the inner ring is positioned further inwardly of the large-diameter hole of the fixing plates in the radial direction and the inner ring is rotatable with respect to the fixing plates. | 01-01-2009 |
| 20080305920 | TOROIDAL CONTINUOUSLY VARIABLE TRANSMISSION - Power roller-side concave grooves are opposed to disk-side concave grooves | 12-11-2008 |
| 20080297077 | MOTOR DRIVE CONTROL DEVICE, MOTOR DRIVE CONTROL METHOD AND ELECTRIC POWER STEERING DEVICE USING MOTOR DRIVE CONTROL DEVICE - A motor drive control device includes: a generation part for generating a current command value; a current detection part for detecting a drive current of an electric motor; a motor feedback control part for controlling feedback of the electric motor based on the current command value and a drive current detection value; a prefilter with order of one or more for adjusting the current command value, the prefilter being interposed between the generation part and the motor feedback control part; and a series compensator with order of two or more for determining a voltage command value of the motor feedback control part based on the current command value adjusted by the prefilter and the drive current detection value of the electric motor. | 12-04-2008 |
| 20080294313 | ELECTRIC POWER STEERING APPARATUS - An electric power steering apparatus includes a first torque command value calculating means that calculates a first torque command value on the basis of steering torque detected by a steering torque detecting means, a malfunction torque detecting means that detects malfunction of the steering torque detecting means, and a self aligning torque estimating means that estimates self aligning torque transmitted from a road surface to a steering mechanism, and the apparatus further includes a second torque command value calculating means that calculates a torque command value on the basis of the self aligning torque estimated by the self aligning torque estimating means, and an switching means that selects the second torque command value calculating means. | 11-27-2008 |
| 20080289442 | ACTUATOR - Since centers of a second gear, a fourth gear and a sixth gear coincide with each other and are disposed rotatably round a circumference of the same long shaft, a compact configuration can be realized while using a gear train of five gears to obtain a reduction gear ratio of a high gear ratio. The configuration in which the three gears have the same rotational center shaft in the way described above in an actuator which incorporates a plurality of gears is advantageous in that the number of center shafts is reduced and that the number of supporting holes in a housing which support center shafts is reduced. | 11-27-2008 |
| 20080284150 | STEERING SYSTEM - If a component of a high collision load obliquely upward of the vehicular front at a secondary collision time acts on a steering column | 11-20-2008 |
| 20080281452 | Automatic Three-Dimensional Model Construction System - To efficiently construct a three-dimensional model. A product is divided into two parts of a head portion and a neck portion. A head form | 11-13-2008 |
| 20080271967 | One-Way Clutch-Containing Rotation Transmission Apparatus - In order to provide a one-way clutch-containing rotation transmission apparatus of a high performance and an excellent durability, which shows a satisfactory lubricating property in a one-way clutch and a rolling bearing over a wide temperature range from a low temperature to a high temperature, in which an antirust agent for preventing a corrosion by rainwater or the like has little environmental burden and which does not cause an exfoliation of metal materials under a vibrating condition, a grease composition, employing a synthetic oil as a base oil, also employing at least either of an urea compound and a metal soap as a thickener and containing a non-barium type antirust agent in an amount of from 1.0 to 10 mass % with respect to the entire amount of the grease, is sealed in the rolling bearing and the one-way clutch. | 11-06-2008 |
| 20080260313 | Self-Aligning Roller Bearing with Retainer and Manufacturing Method for Self-Aligning Roller Bearing Retainer - There is realized a self-aligning roller bearing with retainer that stabilizes the orientation of spherical rollers and prevents these spherical rollers from skewing, and which can be rotated at high speed, and furthermore which enables efficient lubricant feed into pockets | 10-23-2008 |
| 20080256798 | Wheel Bearing Unit - Attachment holes are formed in a plurality of locations in the circumferential direction of the attachment flange of a wheel bearing unit. The amount “h” of projection, from an attachment surface in the axial direction of the opening edge peripheral portion of the respective attachment holes is limited to no larger than 10 μm under the condition that studs are press-fitted and fixed into the respective attachment holes. By this configuration, it is possible to inhibit the runout of the rotor fixed to the attachment surface of the attachment flange and thereby inhibit the judder generated during braking operation. | 10-23-2008 |
| 20080252056 | Steering Device - A steering device including a column rotatably supporting a steering shaft on which a steering wheel is mounted; a vehicle body attaching bracket that is attachable to a vehicle body and has a pair of right and left side plates for holding right and left side surfaces of the column therebetween; a fastening rod spaced from the axis of the column and inserted into the side plates of the vehicle body attaching bracket and the column; and fastening members arranged at both ends of the fastening rod to fasten the inner surfaces of the side plates to the side surfaces of the column, wherein contact surfaces of the right and left side surface of the column and the inner surfaces of the side plates are formed in two parts including a part near the axis of the fastening rod and a part spaced from the axis of the fastening rod. | 10-16-2008 |
| 20080250887 | Ball Screw Mechanism and Assembling Method of the Same - Since it is configured that an female screw groove | 10-16-2008 |
| 20080243427 | Displacement measuring apparatus and load measuring apparatus of rotating member - An encoder | 10-02-2008 |
| 20080234964 | Abnormality Diagnosing Apparatus and Abnormality Diagnosing Method - A abnormality diagnosing apparatus used in a machine equipment including a rotating or sliding part relative to a stationary member includes a detecting portion | 09-25-2008 |
| 20080219848 | Propeller - The inventive propeller consists of a shaft comprising at least two hubs which are mounted thereon and provided with blades fixed to each of them. Each blade has a front and rear sharp edges and is embodied in such a way that the greater airfoil thickness thereof is equal to (0.10-0.25)b along the blade span, wherein b is the mean chord of the blade. The greatest airflow thickness of each blade is located in the middle of each mean chord and is twisted around an axis passing through the middles of the mean chords along the blade span. The blade can be fixed to each hub at an angle of <90° with respect to the radius thereof, thereby reducing a local aerodynamic drag and aerodynamic loads. The inventive propeller can be provided with a fixed cylindrical enclosure which embraces all blades and extended in front of the blades of the front hub at a distance which is equal to or greater than the blade span, thereby increasing a torque effect value. | 09-11-2008 |
| 20080219611 | Cage for Radial Needle Bearing, Method for Manufacturing the Same and Radial Needle Bearing - A cage element | 09-11-2008 |
| 20080219610 | Waterproof Grease Composition and Wheel-Supporting Roller Bearing - The waterproof grease composition of the present application comprises a base oil that comprises at least one of mineral oil and synthetic oil and having a kinematic viscosity of from 10 to 400 mm | 09-11-2008 |
| 20080217099 | Electric Power Steering Apparatus, Control Method Thereof and Program for Electric Power Steering Apparatus - It is an object to provide an electric power steering apparatus capable of preventing torque steer or deflection during braking, a control method thereof and a program for the electric power steering apparatus. An electric power steering apparatus controlling a steering assist motor | 09-11-2008 |
| 20080217097 | ELECTRIC-POWERED POWER STEERING APPARATUS - An assist apparatus for electric-powered power steering apparatus is provided to have a torque sensor, steering shaft, preload pad | 09-11-2008 |
| 20080216597 | Steering Apparatus - Both ends of a screw shaft | 09-11-2008 |
| 20080210038 | Ball Screw Device - To provide a ball screw device capable of improving operability and productivity. In a ball screw device | 09-04-2008 |
| 20080201041 | CONTROL DEVICE FOR ELECTRIC POWER STEERING APPARATUS - A control device for an electric power steering apparatus includes a control unit which controls a motor giving steering assist force to a steering system according to a current command value computed based on steering toque and vehicle speed in a vector control manner and an advance angle map for compensating for a phase lag occurring in a motor current relative to the current command value. Advance angle compensation is made for the current command value based on the advance angle map. | 08-21-2008 |
| 20080199118 | Magnetic Encoder and Roller Bearing Unit Having Magnetic Encoder - The magnetic encoder is constituted by integrally bonding a magnet portion obtainable by forming a magnetic material containing a magnetic powder and a binder for the magnetic powder in a circular ring shape to a slinger. The binder contains at least a thermoplastic resin and an impact resistance-improving agent. | 08-21-2008 |
| 20080199112 | LINEAR GUIDE APPARATUS AND ROLLING ELEMENTS ACCOMMODATION BELT - A linear guide apparatus includes a plurality of a rolling elements which circulates within a rolling element circulation path at predetermined intervals, spacers disposed between the respective rolling elements and a rolling elements accommodation belt which accommodates the rolling elements, connects each of the spacers and has ends thereof. At least one rolling element is disposed between the ends of the rolling elements accommodation belt, a cantilever-shaped elastically deformable projection is provided on an end face of the spacer situated at the end of the rolling elements accommodation belt, the projection projects from an inner circumferential side towards an outer circumferential side of the rolling element circulation path and the projection is inclined relative to an external end face of the spacer at the end of the rolling elements accommodation belt. | 08-21-2008 |
