| 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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| 04/14/1981 | US4261214 Chain noise preventing device |
| 04/07/1981 | US4259880 Multi-stage gear crank for a bicycle |
| 04/07/1981 | US4259875 High-torque low-noise gearing |
| 04/07/1981 | US4259874 Transmission mechanism having a variable transmission ratio |
| 04/07/1981 | US4259810 Transit vehicle door control apparatus |
| 04/07/1981 | CA1098684A1 Method and apparatus for producng multiple groove v- belt pulleys |
| 03/24/1981 | US4257519 Frictionless entry and release sprocket |
| 03/24/1981 | US4257286 Precision driving apparatus |
| 03/17/1981 | US4255980 Variable ratio steering gear |
| 03/10/1981 | US4254541 Method of making clutch housing and pulley assembly |
| 03/03/1981 | US4253344 Sprocket drum assembly |
| 03/03/1981 | CA1096658A1 Pulley |
| 02/24/1981 | EP0020759A4 Improved plastic pulleys. |
| 02/10/1981 | US4250576 Electric clock |
| 02/04/1981 | EP0023460A1 Deformable wheel to be used especially as a vehicle wheel or in a gearing |
| 02/04/1981 | EP0023427A1 Transit vehicle door control apparatus |
| 01/27/1981 | US4246807 Apparatus for control of a continuously variable belt drive for operating a vehicle |
| 01/27/1981 | CA1094356A1 Method of pulley manufacture and product |
| 01/22/1981 | WO1981000143A1 Gear wheel with vibration damping rings |
| 01/14/1981 | EP0022393A1 Support member for a rack and pinion assembly |
| 01/13/1981 | US4244206 Toothed belt pulley |
| 01/13/1981 | CA1093552A1 Highly absorbent polymeric compositions derived from flour |
| 01/07/1981 | EP0022071A1 Friction clutch with disc and method of producing same |
| 01/07/1981 | EP0022045A1 Guide-pulley especially for gear change of bicycles or similar vehicles |
| 01/07/1981 | EP0021839A2 Sprocket for multi-stage cycle sprocket assembly |
| 01/07/1981 | EP0021223A1 Gearing with axial thrust compensation |
| 01/07/1981 | EP0020759A1 Improved plastic pulleys |
| 01/07/1981 | EP0020518A1 Belt pulley |
| 01/07/1981 | EP0020357A1 Lower bainite alloy steel article. |
| 12/30/1980 | US4241619 Device for taking up the clearance of gear transmissions |
| 12/23/1980 | US4240668 Driving device for mining machine |
| 12/23/1980 | US4240303 Chain sprocket with opposite frangible side guide plates |
| 12/16/1980 | US4238970 Bevolute gear system |
| 12/02/1980 | US4237175 Carbon-filament reinforced gear |
| 11/28/1980 | EP0020357A4 Lower bainite alloy steel article. |
| 11/18/1980 | US4233853 Belt pulley |
| 11/18/1980 | US4233852 Mechanical power transmission system |
| 11/04/1980 | US4231265 Tooth grip belt pulley |
| 11/04/1980 | CA1088782A2 Belt drive including toothed belts and toothed pulleys of improved tooth configurations |
| 11/04/1980 | CA1088781A2 Belt drive including toothed belts and toothed pulleys of improved tooth configurations |
| 10/21/1980 | US4228696 Steering gear for motor vehicles |
| 10/15/1980 | EP0017065A1 Pair of engaged toothed wheels capable of withstanding high stress |
| 10/14/1980 | US4227423 Line gripping pulley for a line hauler |
| 10/14/1980 | US4227422 Chain device |
| 10/07/1980 | US4226134 Belt pulley |
| 10/07/1980 | US4226133 Adjustable pulley construction |
| 10/01/1980 | EP0016180A1 High-torque low-noise gearing. |
| 09/30/1980 | CA1086532A2 Pulleys for use in improved belt drive |
| 09/23/1980 | US4223570 Power transmission for automotive vehicle |
| 09/17/1980 | EP0015555A1 Friction wheel with segmented race |
| 09/16/1980 | US4222282 Rack and pinion teeth configuration |
| 08/12/1980 | CA1083466A1 Rack and pinion steering gear |
| 08/05/1980 | US4215591 Low friction rack and pinion steering gear |
| 07/22/1980 | USRE30341 Conveyor drive |
| 07/22/1980 | CA1082003A2 Belt pulley |
| 07/10/1980 | WO1980001404A1 Improved plastic pulleys |
| 07/09/1980 | EP0013074A1 A variable ratio rack and pinion gear |
| 06/25/1980 | EP0012669A1 Pulley drive |
| 06/24/1980 | CA1080087A1 Anti-roll rack bar |
| 06/10/1980 | US4206617 Ring for mounting a rotary body to a shaft |
| 05/29/1980 | WO1980001083A1 Lower bainite alloy steel article and method of making same |
| 05/13/1980 | CA1077307A1 Clutch assembly |
| 05/06/1980 | CA1076842A1 Belt drive including toothed belts and toothed pulleys of improved tooth configurations |
| 05/01/1980 | WO1980000869A1 Belt pulley |
| 04/30/1980 | EP0010093A1 Preloaded conformal gearing |
| 04/29/1980 | US4200000 Gear train |
| 04/22/1980 | US4198876 Multi-stage sprocket assembly for a bicycle |
| 04/15/1980 | US4198196 Apparatus for splicing ends of a grooved sheave insert member |
| 04/15/1980 | US4197759 Gear |
| 04/15/1980 | US4197756 Method of making a pulley |
| 04/15/1980 | CA1075499A1 Pulley and method of making same |
| 04/01/1980 | CA1074669A1 Rack and pinion steering gear |
| 03/18/1980 | US4193310 Idler pulley |
| 03/11/1980 | CA1073246A1 Composite gear having carburized teeth and method of making same |
| 03/06/1980 | WO1980000365A1 High-torque low-noise gearing |
| 03/05/1980 | EP0008325A1 Means for driving and synchronising cylinders in offset printing machines |
| 02/26/1980 | US4189951 Anti-backlash gear |
| 02/26/1980 | CA1072369A1 Sintered pulley hub construction and method of making same |
| 02/12/1980 | US4187736 Rack steering |
| 02/05/1980 | CA1070976A1 Chain and sprocket power transmitting mechanism |
| 01/23/1980 | EP0007137A1 Transmission provided with a variable V-belt transmission and a hydrodynamic transmission |
| 01/22/1980 | US4184380 Gears having resilient coatings |
| 01/15/1980 | CA1069731A1 Self cleaning sprocket |
| 01/09/1980 | EP0006250A1 Toothing for a drive sprocket |
| 01/08/1980 | US4182193 Pulley |
| 01/01/1980 | US4181033 Sprocket for bicycles |
| 12/25/1979 | US4179946 Variable ratio drive system including a compact variable diameter pulley |
| 12/25/1979 | CA1068750A Sprocket profile |
| 12/18/1979 | US4178808 Sheave for a speed variator and a method of replacing a belt thereon |
| 12/11/1979 | US4177685 Pulley |
| 12/11/1979 | US4177684 Angularly adjustable mounting for sprocket wheels and the like |
| 12/11/1979 | CA1067725A1 Variable speed pulley |
| 11/27/1979 | CA1066921A1 Drive power transmission element |
| 11/20/1979 | US4174643 Silent gear wheel |
| 11/20/1979 | US4174642 Chain drive including sprocket having alternate wide and narrow teeth |
| 11/06/1979 | US4173501 Steel torsional element and method for making |
| 11/06/1979 | US4173136 Method and apparatus for producing multiple groove V-belt pulleys |
| 10/30/1979 | CA1065169A1 Spun v-grooved sheet metal pulley |
| 10/30/1979 | CA1065164A1 Replaceable sprocket |
| 10/16/1979 | CA1064291A1 Pulley half mounting of variable speed pulley |