| 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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| 01/22/1991 | US4986800 Four-wheel locking system for a motor vehicle |
| 01/22/1991 | US4986795 Method and apparatus for guidance and actuation of flat belt drive under external load |
| 01/19/1991 | CA2021158A1 Molded gear |
| 01/10/1991 | WO1991000446A1 High-efficiency steepless speed change gear of mechanical type |
| 01/10/1991 | DE4019493A1 Driving disc for vehicle fitment - incorporates electromagnetic coupling, with coil joined to support |
| 01/09/1991 | CN1048441A Planetary transmission of circular arc gear engaged with pin gear |
| 01/09/1991 | CN1011122B Method for producing ring gears for heavy-duty drive axles |
| 01/02/1991 | EP0405667A1 Transmission system, motor drive comprising such a transmission system and wheel for such a transmission system or motor drive |
| 01/02/1991 | CN1048253A Bent lever cycloidal gear-driven system |
| 12/27/1990 | WO1990015939A1 A variable diameter pulley having extendible elements |
| 12/27/1990 | EP0404472A2 Method for making a weight roller |
| 12/27/1990 | EP0404006A1 Rack and pinion lifter |
| 12/26/1990 | CN1048091A Variable diameter pulley with expandable element |
| 12/25/1990 | US4979928 Belt pulley |
| 12/25/1990 | US4979405 Rack-type steering gear, particularly for use in motor vehicles |
| 12/25/1990 | US4979404 For use in a windshield wiper of a vehicle |
| 12/19/1990 | EP0403060A1 Pulley assembly |
| 12/19/1990 | CN1047913A Gearshift driving wheel group |
| 12/19/1990 | CN1010838B Method for producing near net ring gear forgings |
| 12/13/1990 | CA2007614A1 A variable diameter pulley having extendible elements |
| 12/06/1990 | DE3918247A1 Gear wheel for toothed belt drive - has self-cleaning and axial belt guide through edge disc |
| 12/05/1990 | EP0379494A4 Pulley tyre rim configuration |
| 12/05/1990 | CN1047575A 4:3 perf conversion sprocket |
| 12/04/1990 | US4974470 Tooth profile of one of circular splines of flat-shaped strain wave gearing |
| 11/29/1990 | WO1990014254A2 Oscillating gearing, in particular for windscreen wipers in motor vehicles |
| 11/28/1990 | CN2066534U Speed adjusting pulley for roll needle type motorcycle |
| 11/27/1990 | WO1990014533A1 4:3 perf conversion sprocket |
| 11/27/1990 | US4973292 Steel rimmed plastic pulley |
| 11/27/1990 | US4972933 Annular diaphragm spring for use in an automobile clutch |
| 11/22/1990 | EP0397901A1 Method of manufacturing a belt pulley |
| 11/21/1990 | CN1047137A Arc cylindrical gear (zerate) and working method |
| 11/20/1990 | US4970909 Sound attenuation in wheels |
| 11/14/1990 | EP0396978A1 Arc-shaped toothed segment and gearbox with such segment |
| 11/08/1990 | DE3645035C2 Rack-and-pinion steering for vehicles |
| 11/07/1990 | EP0396091A1 Multistep sprocket wheel device for a bicycle |
| 11/07/1990 | EP0395727A1 A resilient coupling apparatus |
| 11/06/1990 | US4968175 Torque transmitting assembly |
| 11/06/1990 | US4967618 Electric steering apparatus |
| 10/31/1990 | EP0395627A1 Spiked driving wheel for conveyor systems, particularly for cable railways |
| 10/30/1990 | US4966573 Differential speed reduction apparatus and double-toothed gear for use therein |
| 10/25/1990 | DE4011813A1 Toothed belt drive system - has teeth and groove in belt engaging toothed disc with matching teeth and grooves |
| 10/24/1990 | CN2064441U Mobile friction wheel for motorbicycle |
| 10/24/1990 | CN2064440U Vertical curved teeth worm speed reducer |
| 10/24/1990 | CN1046378A Drive pulley for saving drive force by elastic variable-centre buffering |
| 10/23/1990 | US4964842 Two piece power transmission component |
| 10/17/1990 | EP0392169A2 Sprocket assembly with reduced friction slide bearing |
| 10/16/1990 | CA1275182C Ring gear/pinion gear design |
| 10/13/1990 | CA2010949A1 Reduced friction spool bearing and method of making same |
| 10/10/1990 | CN1046029A Improved transmission mainshaft gear retainer |
| 10/09/1990 | US4961353 Gear structure |
| 10/04/1990 | WO1990011310A1 Solvent resistant polyetherpolyurethane products and process for preparing the same |
| 10/03/1990 | EP0390368A2 Improved transmission mainshaft gear retainer |
| 10/03/1990 | EP0389742A2 Belt drive with toothed belt and pulley |
| 10/03/1990 | EP0389741A2 Belt drive with toothed belt and pulley |
| 10/02/1990 | CA1274705A1 Flywheel starter gear and method of making |
| 09/27/1990 | DE4009448A1 Antrieb Drive |
| 09/27/1990 | DE3909954A1 Toothed-belt drive and toothed wheel therefor |
| 09/26/1990 | EP0389030A1 Pulley |
| 09/26/1990 | EP0362385A4 Novikov gear transmission |
| 09/26/1990 | EP0346358B1 Rack-type steering gear, particularly for use in motor vehicles |
| 09/21/1990 | CA2012560A1 Solvent resistant polyetherpolyurethane products and process for preparing the same |
| 09/20/1990 | DE4003178A1 Phenol resin gear wheel having more durable teeth - of phenol reinforced with meta-aromatic polyamide spun fibre cloth |
| 09/19/1990 | CN1045446A Large-diameter oil culvert worm gear pair |
| 09/12/1990 | CN1045293A Large diameter casing assembly worm |
| 09/11/1990 | US4955133 Method of making pulleys with plural V-shaped grooves |
| 09/06/1990 | DE3906639A1 Gearing |
| 08/29/1990 | EP0384629A2 Composite articles and methods for their production |
| 08/29/1990 | EP0384567A1 Sprocket assembly |
| 08/29/1990 | EP0286787B1 Damping means for damping wheels noise emission |
| 08/29/1990 | CN1009384B Conical gear pair with curved teeth with graduation cone synthetic position-changing coefficient sum being negative value |
| 08/28/1990 | US4952199 Toothed sintered pulley |
| 08/23/1990 | DE3905244A1 Method and apparatus for manufacturing strand-like metallic products |
| 08/21/1990 | US4950442 Heating rod; passing between rolls while controlling temperature |
| 08/21/1990 | US4950211 Track drive sprocket wheel for snow grooming vehicle |
| 08/21/1990 | US4949589 Transmission mainshaft gear retainer |
| 08/16/1990 | EP0382413A1 A flexible coupling and motor vehicle incorporating same |
| 08/14/1990 | US4947707 Arrangement for decoupling the torsional vibrations in a gear transmission |
| 08/14/1990 | US4947533 Manufacturing method of disk for belt-driven continuously-variable-speed drive |
| 08/08/1990 | EP0381248A2 Dual-type damper device |
| 08/07/1990 | US4946747 Machine element and method of making |
| 08/07/1990 | US4946645 Steel for gears, having high strength, toughness and machinability |
| 08/07/1990 | US4946427 Composite rotary drive member and method of its formation |
| 08/07/1990 | US4946423 Infinitely variable transmission |
| 08/07/1990 | US4945783 Ring gear with roll formed teeth |
| 08/04/1990 | CA2008333A1 Flexible coupling |
| 08/01/1990 | EP0379494A1 Pulley tyre rim configuration |
| 07/31/1990 | US4944714 Method and apparatus for guidance and actuation of flat belt drive under external load |
| 07/31/1990 | US4944196 Conjugate gear system |
| 07/25/1990 | EP0379364A2 Toothed wheel and method of making same |
| 07/24/1990 | US4943268 Automatic two-speed transmission for the drive of auxiliary units of a motor vehicle engine |
| 07/24/1990 | US4943264 Centrifugal clutch with belt tightening spacer assembly |
| 07/24/1990 | US4942781 Differential planet gear unit |
| 07/18/1990 | CN1043981A Drive ratio-changing differential mechanism |
| 07/10/1990 | US4939947 Rack and pinion type steering apparatus |
| 07/05/1990 | DE3842992A1 Continuously variable V-belt drive |
| 07/04/1990 | EP0376421A1 Guiding roller for roller conveyor driving belt |
| 07/04/1990 | EP0375860A1 Process for correcting gear errors |
| 07/04/1990 | CN1043550A Composite material worm gear |
| 07/03/1990 | US4938089 Forged gear for a transmission |
| 07/03/1990 | US4937914 Door control device |