Class / Patent application number | Description | Number of patent applications / Date published |
074425000 | Worm | 57 |
20080223164 | Gear Mechanism Unit for a Motor Vehicle Actuating Drive - A gear mechanism unit for a motor vehicle actuating drive has a gear mechanism housing ( | 09-18-2008 |
20080250888 | Reduction gear for electric power-steering apparatus - Disclosed is a reduction gear for an electric power steering apparatus, wherein the worm of the reduction gear does not substantially suffer from dimensional deformation caused by moisture absorption and increase of rotational torque caused by the dimensional deformation without substantially deteriorating the strength and wear resistance as compared to those of a conventional worm. The reduction gear includes a worm wheel formed from a metallic material; and a worm installed to engage with the worm wheel, the worm being formed from a material containing PA12 as main component and glass fiber as reinforcement component. | 10-16-2008 |
20080257087 | Position Feedback Device for an Actuator - A position feedback device for an actuator is mounted on a housing of the actuator is directly driven to rotate by the screw of the actuator, such that the position feedback device can reflect the travel length of the actuator, and the maximum travel length of the actuator that the position feedback device can reflect is also increased, further, the structure of the screw of the actuator for driving the position feedback device is simplified. | 10-23-2008 |
20080314180 | Reduction Gear - A reduction gear is provided. The reduction gear includes: a worm made of a metal; and a worm wheel having gear teeth engaged with the worm, wherein at least the gear teeth of the worm wheel are made of a synthetic resin containing reinforcing fibers, and wherein an engagement surface of the gear teeth is so processed that a containing ratio of the reinforcing fibers of a surface layer is lower than that of the reinforcing fiber of an inner portion. By improving initial acquaintanceship of the engagement surface of the teeth gear of the worm wheel, it is possible to increase a durability-allowable transmission tongue. In addition, by reducing a friction of the worm, it is possible to provide a reduction gear with the worm having a lengthened lifetime. | 12-25-2008 |
20090056489 | PLASTIC GEAR, DRIVE WITH A PLASTIC GEAR AS WELL AS MANUFACTURING METHOD - The invention relates to a plastic gear, particularly a worm gear, with teeth disposed side by side in circumferential direction. Provision is made according to the invention for the surface of at least one of the teeth to be structured in such a way as to constitute a grease depot. The invention additionally relates to a drive as well as to a method for introducing a structure, which constitutes a grease depot, into the surface of at least one tooth of a plastic gear. | 03-05-2009 |
20090071279 | ADJUSTMENT DRIVE - The invention relates to an adjustment drive, particularly a window actuating drive in a motor vehicle, with a gearing worm capable of being driven by an electric motor. Said gearing worm is situated in mesh with a first worm gear. Provision is made according to the invention for at least a second worm gear to be situated in mesh with the gearing worm. | 03-19-2009 |
20090071280 | Geared electric motor - A housing is made of resin and receives a worm. A worm wheel is made of resin and is received in the housing to mesh with the worm. A support shaft includes a shaft portion and a boss portion. The shaft portion rotatably supports the worm wheel. The boss portion is made of metal and is fixed to the housing. The boss portion holds the shaft portion and includes a slidably engaging surface that slidably engages the worm wheel. | 03-19-2009 |
20090095105 | Gear and coupling system - A gear system including a worm gear, planetary gear, worm coupling and planetary coupling is presented. The worm coupling couples a first shaft with the worm gear and includes a head and an elongated portion. The elongated portion is attached to the worm gear to serve as the worm gear's axle. The head includes an opening into which the worm shaft is inserted and may include additional bores into which set screws are inserted to removably attach the worm shaft to the worm coupling. The planetary coupling couples a second shaft with the planetary gear. The planetary coupling includes a bore into which the second shaft is inserted and may include additional bores into which set screws are inserted to removably attach the planetary shaft to the planetary coupling. By using multiple bores and set screws, the planetary coupling may accommodate a variety of planetary shafts. | 04-16-2009 |
20090095106 | Motorized gear and coupling system - A system for controlling airflow in a plenum, that comprises a worm gear and planetary gear that are removably coupled to a worm shaft and planetary shaft, respectively. The planetary shaft controls the movement of a damper between an open position permitting maximum airflow through the plenum, and a closed position restricting airflow through the plenum. A motor or gear-motor is positioned at the plenum for driving the worm shaft. The motor is controlled by a remotely located controller that includes a power supply for operating the motor. The controller is connected to the motor through a cable with a detachable electrical connection between the cable and the controller. Alternatively, the movement of the damper is controlled by a drive shaft, which connects the motor or gear motor directly to the damper without intervening gearing. The motor is positioned in the airflow of the plenum. The cable may extend through the plenum to a diffuser or other opening in the plenum for connection to the controller, or may exit through a hole formed in the plenum. | 04-16-2009 |
20090145254 | SEALED WORM GEAR TYPE FINGER JOINT UNIT - A sealed worm gear type finger joint unit for a robot hand has a circular opening in a gear box case of the unit, and the opening is closed by a rubber bush. When the rubber bush is removed, a shaft end face of a worm shaft section is exposed from the circular opening, and this makes a tool engagement section formed on the shaft end face is accessible from the outside. A tool for turning the worm shaft section is fitted in the tool engagement section, and the worm shaft section can be easily turned by the tool. Turning the worm shaft section turns a worm, turning a worm wheel meshing with the worm, and this turns the joint shaft. As a result, a swing arm connected to shaft end sections of the joint shaft can be moved to a predetermined position. In the finger joint unit, the joint shaft can be easily manually turned. | 06-11-2009 |
20090241712 | WORM GEAR MECHANISM - A worm gear mechanism includes a worm wheel having a central axis; and a worm shaft made of resin having a rotational axis and a plurality of geared portions which engages with the worm wheel, the worm shaft allowing the worm wheel to rotate about the central axis of the worm wheel when rotating about the rotational axis of the worm shaft, tooth root portions of the geared portions being configured to have a profile which varies gradually along an axial direction of the worm shaft relative to a datum line being perpendicular to the axial direction of the worm shaft and passing through the central axis of the worm wheel. | 10-01-2009 |
20100089194 | BEARING ASSEMBLY FOR WORM DRIVE AND WORM GEAR FOR USE IN A SEAT SLIDING MECHANISM FOR AN AUTOMOBILE POWER SEAT - A bearing assembly for a worm drive supporting the worm of the worm drive with washer-shaped thrust slide bearings and bush-shaped radial slide (sintered oil-containing bearings) bearings. The thrust slide bearings are made of a resin containing 95 to 99.9 wt % of polyetheretherketone resin, which is an aromatic polyetherketone resin. Wear of the thrust slide bearings is reduced and its durability is improved, thereby preventing vibration and noise of the worm drive as well as improving its durability. | 04-15-2010 |
20100139434 | REAR WINDSHIELD WIPER HAVING AN ELECTRIC DRIVE ARRANGEMENT FOR MOTOR VEHICLES - The invention relates to a rear windscreen wiper comprising an electric drive assembly, in particular for a motor vehicle. Said wiper comprises an armature shaft ( | 06-10-2010 |
20100147093 | GENERATOR - There is provided an apparatus | 06-17-2010 |
20100212444 | Conjugate roller drive - This invention provides improvements to worm drives for mechanical power transmission and roller wheels and the worm screws for use in such drives. The principal innovation is utilizing conjugate mesh between the worm screw and the roller wheel by shaping both the surfaces of the threads of the worm screw and the driven surfaces of the roller tips so that they become conjugate surfaces that accomplish the most efficient energy transfer. | 08-26-2010 |
20100224019 | DRIVER UNIT WITH A THRUST WASHER AND METHOD FOR MANUFACTURING THE SAME - The invention relates to a drive unit ( | 09-09-2010 |
20100224020 | GEAR WHEEL - The invention relates to a toothed wheel ( | 09-09-2010 |
20100229667 | Worm-gear assembly having a pin raceway - A worm-gear assembly including a worm screw having at least one groove and a wheel having a plurality of rotatable pins along its periphery for engaging the worm screw. The pins are able to rotate in a direction other than a direction of wheel rotation. At least one raceway is provided for contacting pins that are not engaged with the worm screw during operation of the assembly. | 09-16-2010 |
20100300228 | SPEED REDUCTION DEVICE FOR POWER SEAT - A speed reduction device for a power seat adapted to be fixed to a seat frame, the speed reduction device includes a worm gear rotating with a motor output shaft, a helical gear meshed with the worm gear and rotating with a drive shaft driving a movable portion of the power seat, and a casing accommodating the worm gear and the helical gear. The casing includes a casing body rotatably supporting the worm gear, a casing cover tightened to the casing body, annular fitting portions fitted to each other, a first engagement portion formed at an outer circumferential side of the annular fitting portion of one of the casing body and the casing cover, a second engagement portion formed at the other of the casing body and the casing cover and engaging with the first engagement portion, and a tightening means tightening the casing cover to the casing body. | 12-02-2010 |
20110000331 | BALL-TYPE SPEED REDUCER AND ROTARY TABLE DEVICE USING THE SAME - Provided are a ball-type speed reducer and a rotary table device that are capable of performing high-speed rotation and high-rigidity rotation and suitable for reduction in size and weight. An index table | 01-06-2011 |
20110023643 | SPEED REDUCTION DEVICE FOR POWER SEAT - A speed reduction device for a power seat includes a worm gear, a helical gear, a casing including a casing body and a casing cover, and a motor fixation device. The motor fixation device includes a first fitting portion provided at a housing, a first engagement portion formed at the first fitting portion, a second fitting portion formed at the casing body and to which the first fitting portion is fitted, a second engagement portion formed at the second fitting portion and arranged to overlap the first engagement portion in a direction perpendicular to the output shaft of the motor in a case where the first fitting portion is fitted to the second fitting portion, and an engagement projection formed at the casing cover and engaging with the first engagement portion and the second engagement portion in a case where the casing cover is tightened to the casing body. | 02-03-2011 |
20110023644 | Lifter Assembly - A lifter assembly for actuating a needle of an automatic medication delivery device, includes a motor, a speed reduction device driven by the motor, an output shaft driven by the speed reduction device via a rigid transmission device, a driving lever configured to move the needle, the driving lever being connected to and driven by the output shaft, and a sensing device configured to sense the rotation position of the output shaft. The speed reduction device comprises a worm in mesh with a worm gear. The output shaft, the worm gear and the rigid transmission device cooperatively constitute a four-bar linkage mechanism. | 02-03-2011 |
20120000307 | COMPOSITE GEAR BLANK AND METHOD FOR MANUFACTURING SAME - Composite gear blanks are manufactured by placing a rigid centerpiece in a mold, optionally inertizing the mold, filling the mold by adding a liquid reactive mixture around the centerpiece, applying static pressure to the mold and polymerizing the reactive mixture so as to form a plastic outer part surrounding the centerpiece. The composite gear blanks thus made have improved values of normal and shear adhesion strength both at room temperature and at elevated temperatures of up to 120° C. and are particularly suited for making worm gear parts of automotive electronic power steering systems. | 01-05-2012 |
20120067151 | WORM DRIVE - A worm wheel of a worm drive includes an annular synthetic resin member having tooth portions meshing with a worm shaft and a core having an outside diameter portion joined to an inside diameter portion of the synthetic resin member. The outside diameter portion of the core has first joining tooth portions that protrude outward in a radial direction and are joined to the inside diameter portion of the synthetic resin member. Each of the first joining tooth portions includes a widening portion whose width in a circumferential direction increases toward the outside in the radial direction. | 03-22-2012 |
20120204666 | WORM REDUCTION GEAR - A worm reduction gear that reduces a rotation of a worm and transmits the reduced rotation to a worm wheel includes a casing that houses the worm and the worm wheel, wherein the casing includes: a wheel opposing surface that opposes an end surface of the worm wheel via an interval; and a grease holding recessed portion formed in a recessed shape in the wheel opposing surface, and the grease holding recessed portion is provided in a position opposing a worm meshing portion between the worm and the worm wheel. | 08-16-2012 |
20120240707 | SAFETY SYSTEM - This safety system includes:
| 09-27-2012 |
20130000435 | WORM WHEEL, REDUCER, AND MOTOR WITH THE REDUCER - A worm wheel ( | 01-03-2013 |
20130047766 | WORM-GEAR ASSEMBLY HAVING A PIN RACEWAY - A worm-gear assembly including a worm screw having at least one groove and a wheel having a plurality of rotatable pins along its periphery for engaging the worm screw. The pins are able to rotate in a direction other than a direction of wheel rotation. At least one raceway is provided for contacting pins that are not engaged with the worm screw during operation of the assembly. | 02-28-2013 |
20130152720 | NOVELTY AND CONFECTION ROTATING DEVICE - A novelty and confection rotating device includes a main housing having an electric motor and a power supply. The electric motor drives a first drive shaft at a first rpm. A rotatable object is connected to this first drive shaft. A gear apparatus is then connected to the first drive shaft and to a second drive shaft. The gear apparatus reduces the rotational speed from the first rpm of the first shaft to a slower, second rpm of the second drive shaft. The difference between the first rpm and second rpm is substantial. | 06-20-2013 |
20130213166 | DRIVE UNIT - A drive unit includes an electric motor, a worm shaft coupled to the motor, a worm gear engaging with the worm shaft, and an output shaft connected to the worm gear. The motor has a motor shaft on which the worm shaft is fixed. The worm shaft is made of plastic. The drive unit further includes a metallic sleeve press fitted to the motor shaft. An outer profile of the sleeve is non-circular. A correspondingly shaped receiving hole is formed in the worm shaft to receive the sleeve. The sleeve rotates with the motor shaft and drives the worm shaft. | 08-22-2013 |
20130239726 | HELICAL GEAR MECHANISM FOR A STEERING SYSTEM OF A MOTOR VEHICLE - A helical gear mechanism for a steering system in a motor vehicle comprises a helical pinion which engages with a helical gear and a bearing bushing which accommodates a bearing of the helical pinion. An inner ring of the bearing bushing is connected to an outer ring via a pivot bearing so that a pivoting motion of the helical pinion relative to the helical gear is possible. A pressure piece is disposed between the inner ring and the outer ring of the bearing bushing. The pressure piece is movable in a spring-loaded manner in a section of an annular gap between the inner ring and the outer ring. The inner ring and/or the outer ring are designed in the section so that the annular gap between the inner ring and the outer ring is tapered in the direction in which the pressure piece can be moved in a spring-loaded manner. | 09-19-2013 |
20140090502 | WORM-GEAR ASSEMBLY HAVING A PIN RACEWAY - A worm-gear assembly including a worm screw having at least one groove and a wheel having a plurality of rotatable pins along its periphery for engaging the worm screw. The pins are able to rotate in a direction other than a direction of wheel rotation. At least one raceway is provided for contacting pins that are not engaged with the worm screw during operation of the assembly. | 04-03-2014 |
20140102235 | SPEED REDUCER AND ELECTRIC POWER STEERING SYSTEM - A speed reducer for an electric power steering system includes a worm, a worm wheel, and a housing. Only a meshing section where the worm and the worm wheel mesh with each other and a space between the worm wheel and the housing are filled with grease. The grease in the space is in contact with both tooth surfaces of the worm wheel and an inner peripheral face of the housing, the inner peripheral face facing the worm wheel. | 04-17-2014 |
20140165760 | WORM GEAR - A worm gear includes a worm formed with a through hole through which a shaft transmitting the rotation of a motor is inserted, and a worm wheel configured to mesh with the worm and transmit the rotation to an output shaft. Given that a normal pitch is denoted by E and a width of a recess in the direction of a worm axis by H, the worm is configured such that H/E≧0.6 (1) is met. | 06-19-2014 |
20140202274 | DEVICE FOR DRIVING IN ROTATION A TOOTHED WHEEL, IN PARTICULAR A TURNTABLE - A driving device for driving in rotation a toothed wheel, in particular a turntable, has a worm intended to mesh with the toothed wheel, a motor to drive the worm in rotation, a flexible sleeve that partially surrounds the worm in such a way as to form an assembly described as a worm/sleeve assembly, and a pre-stressing unit. The motor is arranged in a structure that is fitted pivotably relative to the worm/sleeve assembly, and the driving device also has a force transfer unit connecting the motor to the sleeve at a second extremity of the worm. | 07-24-2014 |
20140311267 | WORM GEAR - A worm gear has a worm wheel, a drive shaft, and a flexible shaft. The worm wheel meshes with a worm shaft, which is driven by the drive shaft. The flexible shaft can be arranged in the drive shaft with a radial gap between at least a portion of the flexible shaft and the drive shaft. The flexible shaft can be coupled to the drive shaft such that a first spring constant is provided for displacement of the flexible shaft in a radial direction within a first range and a second spring constant is provided for displacement of the flexible shaft in the radial direction within a second range. | 10-23-2014 |
20140331802 | WORM GEAR MECHANISM - A worm gear mechanism ( | 11-13-2014 |
20140373658 | GEARBOX, AND METHOD FOR MANUFACTURING THE SAME - A gear box includes a gear box body of a reducer to which a motor is mounted. The gear box body includes a worm, wheel holding section where a worm wheel of the reducer is held, and a motor holding section, where a part of the motor is contained, the motor holding section having a motor mounting opening. The motor holding section is configured such that a bottom of the motor holding section is provided in a region between a line L1 and a line L2. Here, the line L1 passes through the center C of the worm wheel holding section and is perpendicular to the axis line X of a motor shaft. The line L2 is a tangent line passing through an outer edge portion located near a circular outer peripheral wall of the worm wheel holding section on a motor side and is perpendicular to the axis line X of the motor shaft. | 12-25-2014 |
20150033892 | GEAR REDUCER COMPRISING A WORM AND A CROWN-WHEEL ASSEMBLY PROVIDED WITH A TORQUE LIMITER - A gear reducer comprising a worm and a crown-wheel assembly, in turn comprising a crown wheel, which is connected/disconnected to/from a drive shaft by means of a torque limiter mounted on this latter. The gear reducer is characterised in that the drive shaft and the torque limiter are comprised in a cartridge which can be extracted/inserted from/in a cavity obtained in the crown-wheel assembly according to an axial direction and in accordance with two opposite senses, without the need to disassemble the worm. | 02-05-2015 |
20150040707 | REDUCER FOR VEHICLE - Disclosed is a reducer of a vehicle. Size and weight of the reducer can be reduced by removing a pivot bearing and a damping coupler which are expensive and used for supporting a movement of a worm shaft and for buffering an impact applied to the worm shaft in a conventional reducer, thereby saving a manufacturing cost. | 02-12-2015 |
20150059506 | REDUCER OF ELECTRIC POWER STEERING APPARATUS - The present invention relates to a reducer of an electric power steering apparatus. According to the exemplary embodiments of the present invention, a damping member is provided on an outer circumference surface of a bearing bush so that impact between a worm shaft bearing and a bearing bush can be dampened, and noise generated at the time of impact can be reduced. | 03-05-2015 |
20150369353 | SPEED REDUCTION MECHANISM, MOTOR WITH SPEED REDUCTION MECHANISM, AND METHOD FOR PRODUCING SPEED REDUCTION MECHANISM - A pressure angle of the worm is set to be greater than a pressure angle of the worm wheel so that a maximum number of meshing teeth becomes smaller than or equal to n (where n is a natural number) with respect to the speed reduction mechanism in which a number of meshing teeth is always n+1 or changed between n+1 and n by rotation under a condition in which the pressure angles of the worm and the worm wheel are the same with respect to each other. | 12-24-2015 |
20150377322 | WORM SPEED REDUCER AND METHOD FOR MANUFACTURING WORM WHEEL INCLUDED IN WORM SPEED REDUCER - A plane that contains a central axis of a worm shaft and that is orthogonal to a central axis of a worm wheel is arranged at a central position of the worm wheel in a tooth width direction thereof when no load is applied to a worm speed reducer. The worm wheel is formed by a cutting operation using a hob with a hob center offset from the central position toward an offset direction corresponding to a first direction along the tooth width direction. A pair of tooth flanks has different pressure angles at the central portion in the tooth width direction. | 12-31-2015 |
20160031473 | ANGULARLY MOVABLE BEARING ARRANGEMENT FOR PINIONS IN REDUCTION GEARS OF ELECTROMECHANICAL STEERING SYSTEMS - The present disclosure relates to a bearing arrangement for a motor vehicle steering system, in which a sleeve is arranged between an outer bearing ring and a housing, wherein the sleeve includes an inner contact surface in contact with an outer circumferential surface of the outer bearing ring, and an outer contact surface in contact with a seat surface of the housing, wherein either of the inner contact surface or the outer contact surface of the sleeve are convex shaped. | 02-04-2016 |
20160069423 | WORM SPEED REDUCER - A center axis of a worm shaft is offset in an offset direction with respect to a plane that is orthogonal to a center axis of a worm wheel and that passes through a central position of the worm wheel in a tooth width direction. A bias member biases a second end of the worm shaft in a preloading direction in which a center distance between the worm shaft and the worm wheel decreases. When the worm shaft is configured like a right-hand thread, in a left-handed coordinate system, a direction toward a first end of the worm shaft in an axial direction (a direction toward an electric motor) corresponds to a thumb direction. The preloading direction corresponds to an index finger direction. The offset direction corresponds to a middle finger direction. | 03-10-2016 |
20160084346 | Actuator - An actuator includes a motor driving a worm, a gearbox, and a motor control module. The gearbox includes a gearbox housing, a worm wheel for meshing with the worm, an output mechanism fixed to the worm wheel. The gearbox housing defines worm chamber and worm wheel chamber. The motor control module includes a control module housing, a printed circuit board and a connector of the printed circuit board. The control module housing defines a control module chamber and the connector is mounted at an open end of the control module chamber. The control module housing is connected with the gearbox housing. The control module chamber and the worm wheel chamber are located on opposite sides of the worm chamber. An isolation slot is defined between the control module chamber and the worm chamber. | 03-24-2016 |
20160084347 | Actuator - An actuator includes a motor driving a worm, a gearbox, and a motor control module. The gearbox includes a gearbox housing, a worm wheel mounted in the gearbox and meshed with the worm, and an output mechanism coaxially fixed to the worm wheel. The motor control module includes a control module housing, a printed circuit board received in the control module housing, and a connector connected to the printed circuit board and mounted at an open end of the control module housing, the control module housing connected with the gearbox housing. The control module housing comprises at least one plane surface with at least one resilient vibration absorber mounted thereon. | 03-24-2016 |
20160091051 | SLEW DRIVE GEARBOX WITH INNER RACEWAY INTEGRATED TO TORQUE TUBE - A slew drive includes a housing, a worm shaft having a worm thread carried within the housing for rotational movement and a torque tube having an outer surface. The torque tube is carried by the housing for rotational movement perpendicularly to the worm shaft and worm thread. A ring gear section having teeth is carried by the torque tube with the teeth engaging the worm threads. An inner raceway is fabricated as an integral part of the torque tube. An outer raceway is fabricated as an integral part of the housing, the outer raceway radially overlying the inner raceway, and bearing elements captured between the inner raceway and the outer raceway. | 03-31-2016 |
20160091052 | ACTUATOR AND ELECTRONIC EQUIPMENT HAVING THE SAME - Provided herein is an actuator including a housing unit, a drive unit installed in the housing unit, the drive unit having a rotating shaft, a plurality of gears installed in the housing unit and rotated by rotational power of the shaft, the gears being engaged with each other, and a reinforcement part installed in an inside portion of one of the plurality of gears to create reinforcing force. Also, provided herein is an electronic apparatus having the actuator. | 03-31-2016 |
20160097424 | STEERING GEAR - A fixed bearing for a steering gear having a rotary bearing which comprises an inner bearing shell which is provided for receiving a pinion shaft of the steering gear, and an outer bearing shell which is accommodated in a bearing bushing, and having a pivoting ring which has an outer ring and an inner ring which are pivotably connected via one or more torsion webs, wherein the outer ring is provided for supporting the fixed bearing in a housing of the steering gear, wherein the inner ring of the pivoting ring is mounted and axially secured on the outside of the bearing bushing. | 04-07-2016 |
20160108991 | COMBINED TRANSMISSION SHAFT AND ROTATING DEVICE HAVING COMBINED TRANSMISSION SHAFT - A rotating device includes a rotating disc and a combined transmission shaft. The rotating disc includes a turret and multiple driven rollers. The combined transmission shaft includes a first roller gear cam and a second roller gear cam. The first roller gear cam includes a first shaft, a combined shaft and a first helical tooth. The combined shaft protrudes outward from a side of the first shaft. The first shaft is surrounded by the first helical tooth and has a first outer surface and a first inner surface. The second roller gear cam includes a second shaft and a second helical tooth. The second shaft has a combination hole. The second shaft is surrounded by the second helical tooth and has a second outer surface and a second inner surface. The combined shaft passes through the combination hole. | 04-21-2016 |
20160169368 | GEARBOX OF GEAR MOTOR ASSEMBLY | 06-16-2016 |
20160201759 | GEARING HAVING A PINION AND A WHEEL | 07-14-2016 |
20160201761 | AUTOMOBILE REDUCER | 07-14-2016 |
074426000 | Intermittent motion | 1 |
20090107274 | Motor-Driven Actuator - The present invention is to provide a motor-driven actuator that can prevent generation of hitting sound due to rattling of an output shaft of a motor. The motor-driven actuator is equipped with a motor with an output shaft, worm attached to the output shaft, and rotation member with a worm wheel engaging with the worm inside a case, wherein a bearing member equipped with a regulating face adjacent to a top end of said output shaft and intergrading by biasing force of a spring in a manner said regulating face pushes the top end of said output shaft into the direction of thrust is provided. | 04-30-2009 |
074427000 | Distribution of pressure | 2 |
20130008276 | SPEED REDUCTION MECHANISM, MOTOR WITH SPEED REDUCTION MECHANISM, AND METHOD FOR PRODUCING SPEED REDUCTION MECHANISM - A pressure angle of the worm is set to be greater than a pressure angle of the worm wheel so that a maximum number of meshing teeth becomes smaller than or equal to n (where n is a natural number) with respect to the speed reduction mechanism in which a number of meshing teeth is always n+1 or changed between n+1 and n by rotation under a condition in which the pressure angles of the worm and the worm wheel are the same with respect to each other. | 01-10-2013 |
20140041475 | REDUCER OF ELECTRIC POWER STEERING APPARATUS - A reducer of an electric power steering apparatus is disclosed. It reduces rattle noise generated by a backlash due to friction and wear of a worm and a worm wheel or an impact transmitted from a road surface through a wheel and a steering shaft and enhances a steering feeling of a driver by improving the catching phenomenon and rotational resistance generated between a worm shaft and a worm shaft bearing. | 02-13-2014 |