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Match Document Document Title
7866225 Spindle drive, in particular for adjusting a movable part in a motor vehicle, and a method for manufacturing this spindle drive  
A spindle drive (10), in particular for adjusting a movable part (58) in a motor vehicle, includes a drive assembly (42), which drives a drive wheel (18) supported on a spindle (16). The drive...
7788988 Drive assemblies  
A drive assembly for providing two outputs from a motor to actuators or the like has a first drive shaft connected with the motor via a torque limiter and a reduction gear. A high efficiency spur...
7527122 Electric power steering system equipped with worm gear clearance compensator  
Disclosed is an electric power steering system including a housing; a steering shaft positioned in the housing; a worm wheel mounted on the steering shaft; a worm shaft; a worm gear formed on the...
7357216 Electric power steering apparatus  
A ball bearing 34 serving as a support reference for a pinion shaft 2 is located directly under a worm wheel 51. Thus, even when a temperature change occurs around the electric power steering...
7258036 Bi-directional electric motor with endplay structure  
An endplay structure is provided for controlling endplay of a shaft 25 of a motor 19. The endplay structure includes a body 22 including a generally elliptically shaped recess 26 therein. The...
7201075 Electric power steering apparatus  
An electric power steering apparatus having a displacing mechanism in which a fitting hole potion is provided to a gear housing for fitting with and holding a bearing to which a worm shaft for...
7048088 Electric servo-assisted steering system for motor vehicles  
An electric power assisted steering system for motor vehicles having a worm gear mechanism is operatively connected to a drive shaft of an electric drive motor. A radial load is applied to the...
6832662 Electric motor assist type power steering apparatus  
An electric power steering apparatus with an electric motor generating an assistant steering force for transmission to the steering system, a worm shaft rotated by the electric motor, a worm gear...
6708796 Electric power steering apparatus  
An electric power steering apparatus in which a shaft of a worm interlocking with rotation of a motor for steering assistance is movable in a radial direction, a pressing body for pressing the...
6698306 Multishaft index table  
This multishaft index table comprises: a drive shaft having a plurality of worms arranged in series in its axial direction; a plurality of worm wheels respectively meshed with the worms; at least...
6513398 Electromotive adjustment assembly  
An electromotive adjustment assembly, includes at least two spindles disposed in parallel spaced-apart relationship, and a motor unit coupled in driving relationship with the spindles for...
6450056 Motor having speed reduction device  
In a motor having a motor body and a speed reduction devise composed of gear housing, a worm wheel, worm shaft with a worm, and first and second bearings rotatably supporting the worm shaft on...
6223615 Actuating electromotor for technical devices, in particular in motor vehicles  
The subject matter of the invention is an electric motor-driven servo-drive for use in technical means, especially motor vehicles, with a small electric drive motor (2) with a motor shaft (4)...
6193014 Pre-spinning and lubricating system for worm drive power transmissions and bearing assembly components  
An apparatus for a ball bearing or needle bearing enclosure having an outside hardened raceway that accommodates two separate compliments of ball bearings located at each end of the raceway to...
5875681 Motorized reduction gear unit, in particular for driving a screen wiper in a motor vehicle  
A motor vehicle screen wiper drive unit is a motorized reduction gear unit comprising a reduction gear train between a driving shaft, driven by a motor, and a driven shaft. The gear train...
5794480 Device for driving of sliding roofs, window raisers, or the like  
A device for driving of sliding roofs, window raisers, or the like, especially of motor vehicles, with a reversible drive motor (1) and a worm gear pair on an output side of the drive motor, with...
5765440 Double-acting dynamic back clearance relief driving system  
The present invention relates to a double-acting type dynamic back clearance relief driving system having two sets of worm shafts coupled with a worm gear, one worm shaft set acting as a prime...
5598749 Table turning apparatus  
A table-turning driving apparatus comprises a pair of first and second worm shafts 16 and 17 which engage a driving shaft through gears and which is rotated in the same direction of rotation as...
5499551 Double-acting type dynamic back clearance relief driving system  
The present invention relates to a double-acting type dynamic back clearance relief driving system having two sets of worm shafts coupled with a worm gear, one worm shaft set acting as a prime...
5392666 Auto correction device for wearing end play in worm gear set  
An auto correction device for wearing end play in worm gear set has a correction worm gear, two linking gears and auxiliary linking gears to help power transmission in a smooth manner. The...
5145467 Geared motor for the drive of components, such as motor-vehicle accessories, particularly an opening roof  
This geared motor comprises an outlet shaft (2) of the motor (1), carrying two coaxial screws (3, 4) offset axially and of mutually opposed screw pitch, two gearwheels (5, 6) located on either...
5090267 Indexing apparatus  
An indexing mechanism includes an index output shaft connected to a table or other apparatus for rotation therewith. A pinion is operatively connected to the shaft for rotation therewith to...
4754660 Reduction gearing device for an automobile accessory motor  
A reduction gearing device for automobile accessory motor comprises first and second worms coaxially formed on a worm shaft in different thread directions, a pair of first and second intermediate...
4750383 Staggered combination gears  
Method of dispersing unit pressure loads on a worm gear meshing with a plurality of worm wheels. Worm wheels, normally arranged about the periphery of the worm gear in a single plane, are mounted...
4718297 Infinite ratio transmission apparatus  
A transmission having an input differential and an output differential; each differential having a pair of coaxial shafts rotatable independently of each other and a rotatable member coupled to...
4685346 Power transmission system  
A worm drive system includes a worm wheel having two sets of angularly arranged rollers. Each set of rollers mates with a separate screw thread on a worm screw associated with the worm wheel. The...
4643039 Speed reduction gear having axial and transverse components which are in equilibrium  
The two endless screws (202, 203) and the four gear wheels (207, 209-307, 309) which mesh with the endless screws and with each other in pairs, have inclined teeth in opposite directions at an...
4615230 Gear transmission comprising two worms  
The driving shaft (11) is equipped with two oppositely threaded worms (13a, 13b) with which respectively mesh on opposite sides two worm-wheels (14a, 14b) of a first kinematic channel and two...
4589299 Reduction motor shaft provided with screw type double  
A reduction motor shaft used, for example, in a wiper motor is disclosed, which is provided with screw type double worms constituting a reduction mechanism part. In this reduction motor shaft,...
4589297 Adjusting transmission in a motor vehicle  
An adjusting transmission of a motor vehicle for a motorized seat adjustment with a transmission housing and a worm arranged on a bearing shaft which is supported at the transmission housing in...
4444071 Method for assembling a worm screw motor-reduction gearbox combination with a double kinematic chain, and a motor drive reduction gearbox combination resulting therefrom  
A motor-reduction gearbox combination has the driven shaft output gear on the floor of the casing and below the driving shaft which is perpendicular to the driven shaft. The drive shaft has two...
4369387 Electric drive unit  
An electric drive unit particularly adapted for actuating windshield wiper assemblies includes a motor having it's armature shaft carrying aportion having two oppositely pitched worm threads. Two...
4297919 Mechanical power transmission method and means  
A particularly compact and efficient transmission includes one or more helix-like races having a common axis of rotation, a support member extending along the axis, one or more bearing units...
4282767 Reduction gear  
A reduction gear comprises a parallelepiped-shaped casing containing a double worm input shaft engaging with two pinions. The input shaft has its worm portions of equal pitch magnitude but of...
4261218 Speed reducer adjustment means  
A speed reducer comprising a worm gear of the type suitable for driving proportioning pumps. The worm is rotated by an input shaft which is suitably journalled within a speed reducer housing...
4197755 Rotary drive systems  
In radiographic apparatus of the kind known as computerized tomographic (CT) apparatus, a source of radiation is moved around a patient to irradiate the patients body from a plurality of...
4036567 Globoid worm type rotary machine  
In a globoid worm type compressor or expander comprising a casing, a globoid worm rotor in the casing and pinions meshing with the worm rotor, provision is made to effect sealing between the...
4023430 Impact absorbing, overload protection apparatus for machine tool  
An impact absorbing device for protecting a rotatable member of a motor powered machine tool feed mechanism from excessive impact and overload is disclosed. The device includes structure forming a...
3847032 TORQUE EQUALIZING DRIVE  
A drive mechanism for rotating a plurality of raking arms in a settling tank of a stirring apparatus wherein the drive mechanism includes a pair of diametrically opposed worm gears linked together...
3847009 SAFE KNOCKOUT ARRANGEMENT FOR POWER PRESS  
A power press having a knockout bar extending through the slide and carrying a knockout pin which engages the workpiece. Positioned above the slide is a stationary clamp which holds a vertically...
3695119 WORM DRIVE WITH CYLINDRICAL WORM  
A worm drive is formed of a cylindrical worm which meshes with a worm wheel, and the cylindrical worm has cycloidally shaped flanks. The combined configurations of the worm and worm wheel provides...
3690194 WORK DRIVE MECHANISM  
In a preferred form, this disclosure relates to a worm drive mechanism which includes an electric motor which is carried by a housing and has a rotatable drive shaft with an end portion supported...
3648533 TORQUEMETER REDUCTION GEAR  
A reduction gear including a pair of helical parallel gears, the driven gears being integral with a shaft axially movable within a hydraulic cylinder, the pressure of fluid being proportional to...
3641832 A WORM-GEAR-TYPE SPEED REDUCTION DEVICE FOR AN ELEVATOR  
An elevator including a worm-gear-type speed reduction device which comprises a worm and a worm wheel, said device further including a resilient member for receiving a thrust load on the worm...
3590644 THREADED SPINDLE AND SLEEVE MEANS  
There is disclosed a threaded spindle and sleeve means including an externally threaded spindle means, a sleeve means surrounding the same and means for guiding the rotary and translatory...
3516298 WORM GEARINGS  
3429201 GEAR ADJUSTMENT FOR MACHINE TOOL TRANSMISSION  
3390782 Continuous sedimentation tank having rotatable sediment conveying structure  
3330165 Method of and device for compensating for errors in transmitted rotational angles ofworm gear drives  
3289489 Orthogonal worm-bevel gearing  

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