| Patents for F16H 55 - Elements with teeth or friction surfaces for conveying motion; Worms, pulleys orsheaves for gearing mechanisms (19,614) |
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| 09/10/1991 | US5046993 Tooth belt and means of transmission related thereto |
| 09/10/1991 | US5046378 Anti-jamming gear arrangement |
| 09/03/1991 | US5044219 Variable radius segment gear in the form of a circular arc and a gear mechanism for such gear |
| 08/29/1991 | DE4006038A1 Rack for road vehicle steering gear - has hollow basic body with toothed section on part of outer wall |
| 08/29/1991 | DE4004813A1 Axial clearance equaliser for interengaging gears - consists of shaft on which bevel gears are mounted, with flange, roller bearing and inner ring |
| 08/29/1991 | DE4004757A1 Cog wheel, or chain wheel - has toothed sections with cavities parallel to wheel axis, and teeth |
| 08/21/1991 | CN2083217U Flexible wheel disc gear |
| 08/20/1991 | US5041063 Toothed belt of elastomeric material for reversible toothed belt drives, and method making same |
| 08/20/1991 | US5041061 Variable ratio drive system |
| 08/14/1991 | DE3942761A1 Sprocket of chain drive for IC engine - consists of a damping ring with outer toothed rim and hub |
| 08/08/1991 | DE4103213A1 Pulley for belt driven engine accessories - has two parts connected by springs to absorb torsional vibration |
| 08/07/1991 | EP0439575A1 Device for connecting two gear elements |
| 08/06/1991 | US5037359 Transmission system, motor drive comprising such a transmission system and wheel and belt for such a transmission system or motor drive |
| 08/06/1991 | US5037356 Power transmission element |
| 08/06/1991 | CA1287238C Helical gearsets |
| 07/31/1991 | EP0438855A1 Pulley |
| 07/31/1991 | CN1053517A Bidirectional circulatory driving decelerating electric machine |
| 07/30/1991 | US5035681 Reduced friction sprocket assembly for use in corrosive environments |
| 07/30/1991 | US5035590 Double-shaft vacuum pump with synchronization gears |
| 07/26/1991 | CA2028398A1 Speed variator with reduced friction removable rings |
| 07/26/1991 | CA2028255A1 Steel rimmed plastic pulley |
| 07/24/1991 | CN2081455U Multi-gear shifting belt pulley |
| 07/23/1991 | US5033990 Pulley having spring loaded release mechanism |
| 07/23/1991 | CA1286616C Clutch rotor for an electromagnetic clutch and method of production thereof |
| 07/23/1991 | CA1286526C Variable speed pulley |
| 07/18/1991 | DE3448382C2 Locking control for worm drive |
| 07/17/1991 | EP0437157A1 Pulley for continuously variable transmission, with a torque transmitting membrane |
| 07/17/1991 | CN1013229B Timepiece |
| 07/17/1991 | CN1013217B Ring gear/pinion gear design |
| 07/16/1991 | US5032036 Joint structure of annular member and shaft member |
| 07/16/1991 | CA1286347C Rotary body of hard material with plastic supporter and method of manufacturing therefor |
| 07/10/1991 | EP0435969A1 Oscillating gearing, in particular for windscreen wipers in motor vehicles. |
| 07/10/1991 | EP0435879A1 Variable speed engine accessory flat belt drive system |
| 07/09/1991 | US5030184 Eccentric gear |
| 07/04/1991 | CA2007128A1 Pulley |
| 06/26/1991 | CN2079685U Cylinder worm gearing with involute enveloping flank profile |
| 06/25/1991 | US5026329 Isolated drive sprocket assembly |
| 06/25/1991 | US5026328 Belt driving sprocket in paper feeder |
| 06/25/1991 | US5025894 Parallel axis gear set and elevator hoist employing the same |
| 06/25/1991 | US5025893 Vibration suppressing device for elevator |
| 06/19/1991 | CN1052361A Crookable rack, its construction method and auxiliary device |
| 06/12/1991 | CN2078826U Variable-speed pulley for model 50 series motorcycles |
| 06/11/1991 | US5022802 System for generating a tooth profile used in a differential speed reduction apparatus |
| 06/11/1991 | US5022280 Novikov gearing |
| 06/11/1991 | US5022279 Rack and pinion steering device |
| 06/06/1991 | DE4036220A1 Toothed belt drive - has sprocket wheel, with depressions on head of teeth |
| 06/05/1991 | CN2078396U Friction gearing ring |
| 06/05/1991 | CN2078395U Rolling needle type pin wheel |
| 06/04/1991 | US5021034 Pulley construction, drive system utilizing the same and methods of making the same |
| 05/29/1991 | EP0428571A1 V-belt pulley and variator. |
| 05/28/1991 | US5019019 Pulley tire rim configuration |
| 05/28/1991 | US5018403 Globoid worm gear speed reduction apparatus |
| 05/22/1991 | CN1051613A Thermoplastics wrapped-cored reinforced gear |
| 05/21/1991 | US5017178 Resilient coupling apparatus |
| 05/16/1991 | WO1991006790A1 Centrifugal clutch with belt tightening spacer assembly |
| 05/16/1991 | DE3937834A1 Backlash-free high-ratio reduction drive - has worm gear output stage preceded by one with belt drive |
| 05/15/1991 | EP0427361A2 Hourglass worm gear |
| 05/15/1991 | EP0426678A1 Device for eliminating rattle in a gear box. |
| 05/14/1991 | US5015218 Toothed pulley and transmission related thereto |
| 05/08/1991 | EP0426461A1 Rotation transmitter using balls |
| 05/08/1991 | EP0425818A1 "V"-belt drive |
| 05/08/1991 | DE3936648A1 Disc-type machine component - has thickened outer edge formed by rolling over sheet metal blank |
| 05/08/1991 | CN2076624U Head shaking device with suspended special worm gear for electric fan |
| 05/07/1991 | US5013286 Belt drive comprising a toothed belt and a toothed pulley |
| 05/07/1991 | US5013284 Variable ratio drive system |
| 05/07/1991 | US5013283 Adjustable pulley with improved support structure |
| 05/07/1991 | US5012691 Cluster of molded gears with helical teeth |
| 05/07/1991 | CA1283776C Method of making an internal wave generator for strain wave gearing |
| 04/30/1991 | CA1283563C Toothed belt |
| 04/24/1991 | EP0423620A1 Belt pulley with torsional vibrations damper |
| 04/24/1991 | EP0296155B1 Continuously variable transmission |
| 04/18/1991 | DE3933920A1 V=belt gear for infinite adjustment - has quieter operation through sound absorbing layers and non-metal cast material |
| 04/17/1991 | CN1012350B Reinforced double toothing planet wheel for micrometric articulation used more especially in vehicle seats |
| 04/10/1991 | EP0421776A2 Powered sliding door system |
| 04/10/1991 | EP0420866A1 Damping device for a shaft with a toothed wheel |
| 04/09/1991 | US5006096 Belt drive comprising a toothed belt and a toothed pulley |
| 03/27/1991 | EP0418838A2 A metal mold for plastic working a differential pinion and a method for plastic working with the metal mold |
| 03/27/1991 | EP0418542A2 Elastomeric toothed belt for reversible transmission and method of manufacturing same |
| 03/27/1991 | EP0418367A1 Solvent resistant polyetherpolyurethane products and process for preparing the same |
| 03/27/1991 | CN1050255A Calculation and design method of pin rack for rotary dining room actuator |
| 03/26/1991 | US5002472 Profiles of screw-type rotors for rotary machines conveying a gaseous fluid |
| 03/20/1991 | CA2025686A1 Differential pinion, metal mold for plastic working the same, and method for plastic working with the metal mold |
| 03/19/1991 | US5000640 Of cylindrical threaded shaft |
| 03/19/1991 | US5000612 Assembled driveshaft |
| 03/13/1991 | EP0416303A2 Adjusting device for motor vehicles |
| 03/12/1991 | US4998905 V-belt |
| 03/12/1991 | US4998577 Device for stabilized opening and closing of a sliding panel |
| 03/12/1991 | CA1281272C Reinforced double toothing planet wheel for a micrometric articulation used more especially in vehicle seats |
| 03/07/1991 | WO1991002664A1 Device for connecting two gear elements |
| 03/07/1991 | DE3929019A1 Vibration damper for crankshaft of IC engine - consists of primary and secondary sections with rubber insert between them |
| 03/06/1991 | CN1049633A Variable transmission, separately and in bicycles |
| 02/26/1991 | US4995855 Flat belt transmission |
| 02/19/1991 | US4994005 Excentric motion translating apparatus |
| 02/13/1991 | CN1011612B Compound line gear transmission |
| 01/31/1991 | DE3923430A1 Spur for planetary wheel gears - especially consists of two main annular wheel parts with slanting teeth |
| 01/30/1991 | CN1048815A Molder gear |
| 01/29/1991 | US4987791 Miniature motor with a worm reduction gear |
| 01/29/1991 | CA1279502C Tooth profile of spline of strain wave gearing |
| 01/24/1991 | DE3923370A1 Speed reduction gear train - is for exhaust gas turbocharger and has torsion bush to damp out torsional vibrations |
| 01/23/1991 | EP0409537A2 Molded gear |