| Patents for B62M 11 - Transmissions characterised by use of interengaging toothed wheels or frictionally-engaging wheels (4,277) |
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| 06/03/1992 | CN2106129U Double speed chain wheel for bicycle |
| 06/03/1992 | CN2106128U Chainless transmission mechanism for bicycle |
| 06/03/1992 | CN2106127U Chainless transmission power-aid bicycle |
| 05/27/1992 | CN2105458U Bicycle transmission device |
| 05/27/1992 | CN2105452U Gear rack transmission lying type bicycle |
| 05/26/1992 | US5116070 Dual wheel driven bicycle |
| 05/20/1992 | CN2104822U Bicycle variable speed chain wheel |
| 05/20/1992 | CN2104821U Geared bicycle |
| 05/20/1992 | CN2104818U Moment arranger of bicycle |
| 05/14/1992 | DE4129082A1 Chain drive for bicycles - has cranks moving through less than 180 deg. |
| 05/06/1992 | CN2103510U Universal speed variator for bicycle |
| 05/06/1992 | CN2103509U Simple speed variator for bicycle |
| 04/22/1992 | CN2102242U Curved teeth bevel gear bicycle |
| 04/15/1992 | CN1060267A Dual-speed sprocket of bicycle |
| 04/08/1992 | CN2101014U Single wheel bicycle |
| 04/01/1992 | CN2100354U Variable-speed middle axle of three-speed cycles |
| 04/01/1992 | CN2100353U Labour-saving means of tricycle |
| 04/01/1992 | CN2100352U Chainless transmission mechanism of cycle |
| 03/31/1992 | US5099712 Automatic transmission with free-wheeling drive shaft |
| 03/18/1992 | CN2099080U Chain-plate speed changing device for bicycles |
| 03/17/1992 | US5095772 Bicycle pedal extension |
| 03/11/1992 | CN2098457U Improved wheel gearing of bicycle |
| 03/11/1992 | CN2098440U Bicycle |
| 03/11/1992 | CN2098439U Unicycle |
| 02/26/1992 | CN2097157U Changeable ratio transmission |
| 02/19/1992 | CN2096521U Gear driving two-speed bicycle |
| 02/12/1992 | CN2095825U Miniature ualking bicycle |
| 01/29/1992 | CN2094502U Gear driving device for man-power tricycle |
| 01/28/1992 | US5083991 Automatic speed-variating system |
| 01/22/1992 | CN1057996A Bidirectional three-step gear shift flywheel |
| 01/11/1992 | CA2046432A1 Two-way-driven 3-speed free wheel |
| 01/08/1992 | CN2092481U Multispeed manpower tricycle |
| 01/07/1992 | US5078664 Speed change hub and braking construction |
| 01/01/1992 | CN2091815U Multi-speed light cycle without chain |
| 12/22/1991 | WO1991019637A1 Planetary-gear train for hybrid-drive vehicles |
| 12/22/1991 | CA2064846A1 Planetary-gear train for hybrid-drive vehicles |
| 12/18/1991 | CN2090801U Override type speed variator in bicycle |
| 12/18/1991 | CN2090800U Bicycle accelerator |
| 12/04/1991 | CN2089911U Driving construction improving for bicycle without chain |
| 12/03/1991 | US5069655 Driving hub for a vehicle |
| 11/27/1991 | CN2089446U Automatic speed changing device of bicycle |
| 11/20/1991 | CN2088971U Full gear wheel transmission for bicycyle without chain |
| 11/06/1991 | CN2088080U Toothed gearing mechanism of cycle |
| 10/30/1991 | CN1055712A Driving device for motor and pedal double purpose vehicle |
| 10/16/1991 | CN2086721U Three-speed geared bicycle |
| 10/16/1991 | CN2086720U Driving unite of non-motor-driven vehicle |
| 10/09/1991 | CN2086238U Direct driven gearshift device of bicycle |
| 10/02/1991 | CN2085769U Homocentric drive bicycle |
| 09/24/1991 | US5051106 Transverse axis infinitely variable transmission |
| 09/18/1991 | EP0446966A2 Multiplexed drive hub |
| 09/18/1991 | CN2084908U Improved bicycle driving structure |
| 09/18/1991 | CN2084907U Gear-driven bicycle |
| 09/04/1991 | CN2084033U Gear box type chainless bicycle |
| 08/28/1991 | CN1013696B One-way clutch |
| 07/11/1991 | WO1991009766A1 Mechanical conversion device of the double-crank type with variable angular offset of the cranks, and crank gear obtained with such device |
| 07/10/1991 | CN2080491U Three speed chainless bicycle driven by gear of rear axle |
| 07/03/1991 | CN2080046U Bicycle speed accelerator |
| 06/19/1991 | EP0432742A1 Drive hub for a vehicle |
| 05/22/1991 | CN2077422U Speed-variable tricycle |
| 05/08/1991 | EP0425526A1 Torque responsive automatic shifting hub |
| 05/08/1991 | EP0425522A1 One way clutch. |
| 04/18/1991 | DE4029710A1 Large-engined motorcycle - has centrally mounted V-block with crankshaft in direction of travel |
| 04/10/1991 | CN1050522A Speed controllable solar energy electrically driven and pedal double-purpose bycicle |
| 04/02/1991 | US5004258 Kit for converting a bicycle to a dual wheel driven cycle |
| 03/26/1991 | US5002296 Driving device for bicycle |
| 03/20/1991 | CN1012055B Power driving device for bicycle |
| 02/13/1991 | CN2071162U Speed-changing device for bicycle medium axle |
| 02/06/1991 | CN2070719U Transmission for cycle |
| 01/16/1991 | CN2069384U Single axle gearbox |
| 01/09/1991 | CN2068941U Bicycle with planet wheel drive |
| 01/09/1991 | CN2068938U Portable bicycle driven by front wheel |
| 01/02/1991 | CN2068484U Pedal booster speed variator |
| 12/26/1990 | CN2068079U Bicycle gearing device |
| 12/26/1990 | CN2068078U Non-chain driving gearshift bicycle |
| 12/26/1990 | CN2068073U Light bicycle |
| 12/19/1990 | CN2067675U Foldable bicycle with cooperative force feature |
| 12/05/1990 | CN2066840U Motor cycle no-impact single-direction transmission wheel |
| 12/05/1990 | CN2066831U Speed-adjustable vibrating-damp safety vicycle |
| 11/27/1990 | US4973297 Multispeed drive hub with more than three speeds |
| 09/19/1990 | CN2062314U Adjustable gear clearance gear changing driving device |
| 09/11/1990 | US4955627 Five speed chainless drive for heavily loaded pedal powered tricycles |
| 09/05/1990 | CN2061550U Coaxial speed variator for bicycle |
| 08/29/1990 | CN2061158U Revolution axis type variable-speed transmission |
| 08/22/1990 | EP0383350A2 Change-speed hub |
| 07/18/1990 | CN2059422U Manpower tricycle |
| 07/18/1990 | CN2059421U Bidirectional high-speed driver for bike |
| 07/18/1990 | CN2059420U 省力自行车 Bicycle effort |
| 07/11/1990 | CN2059144U Box type foldable bicycle |
| 07/11/1990 | CN1043673A Automatic gearshift device for bicycle |
| 07/04/1990 | CN2058904U Pin cycloidal gearing device for directly driven bicycle back wheel |
| 07/04/1990 | CN2058901U Front wheel driving bicycle |
| 07/04/1990 | CN2058900U Epicyclic gearing short body bicycle |
| 06/26/1990 | US4936597 Fully enclosed multiple speed drive for a chain driven tandem bicycle |
| 06/05/1990 | CA1269867A1 Bicycle improvement |
| 05/23/1990 | EP0369925A2 System of bicycle motion transmission |
| 05/22/1990 | US4926714 Gear selector for bicycle hub transmission |
| 05/09/1990 | CN2056916U Gearshift for bicycle |
| 05/09/1990 | CN2056914U Multifunctional gear driving bike |
| 04/18/1990 | CN2056148U Increase gear for motorcycle |
| 04/17/1990 | US4916974 Stepless speed change device |