| Patents for F16D 21 - Systems comprising a plurality of mechanically-actuated clutches (2,107) |
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| 11/11/1986 | US4621719 Drive base for a postal mailing system |
| 09/24/1986 | EP0195706A1 Sintered metal clutch sleeve for a motor vehicle gearbox |
| 06/17/1986 | US4595371 Power take-off system for marine engines |
| 06/11/1986 | EP0184082A2 Ship's propulsion for multiple engine drive |
| 06/10/1986 | US4593798 Idle restart clutching system |
| 05/13/1986 | US4588060 Coupling for drive shaft and servo-motor driven shaft with uncoupled neutral position |
| 04/01/1986 | US4579204 Shift mechanism for marine propelling unit |
| 03/18/1986 | US4576264 Servo clutch mechanism, and the drive gear incorporating same |
| 02/25/1986 | US4572343 Electromagnetic friction clutch |
| 01/07/1986 | US4562909 Clutch device for marine vessel drive |
| 01/07/1986 | US4562908 Rotary actuator |
| 12/24/1985 | US4560056 Four-wheel drive clutch lubrication system |
| 11/26/1985 | CA1197113A1 Single shaft positive drive |
| 11/19/1985 | US4553623 Power change-over mechanism of a vehicle for industrial machinery |
| 11/12/1985 | US4552258 Clutch arrangement for power transmission, especially a reduction gear drive unit for marine vessels |
| 10/29/1985 | US4549639 Clutch control for a rotation and reciprocation transmission |
| 07/17/1985 | EP0148224A1 Vehicle drive arrangement. |
| 06/04/1985 | US4520913 Device for selectively separating and connecting a rotatable shaft |
| 04/02/1985 | US4507984 Single shaft positive drive |
| 01/17/1985 | WO1985000205A1 Vehicle drive arrangement |
| 01/15/1985 | US4493387 Clutch driven front axle fourwheel drive system |
| 12/18/1984 | US4488454 Balking clamp positive drive |
| 11/27/1984 | US4484492 Devices for selectively coupling to a shaft to be driven two separate driving members |
| 10/30/1984 | US4479402 Microtome drive |
| 08/14/1984 | US4465170 Clutch mechanism for two-plate clutches suitable for automotive vehicles |
| 07/31/1984 | CA1171694A1 Positive clutch differential |
| 07/11/1984 | EP0113212A1 Clutch cover assembly |
| 07/10/1984 | US4458795 Coupling for drive shaft and servo-motor driven shaft |
| 07/03/1984 | US4458156 Flywheel propulsion system for automotive vehicles or the like |
| 05/01/1984 | US4445601 Vehicle having a main clutch and an auxiliary controllable clutch |
| 04/03/1984 | US4440281 Flywheel clutch assembly |
| 03/20/1984 | US4437552 Spring clutch device |
| 03/13/1984 | US4436030 Material compactor utilizing a power transmission mechanism |
| 03/06/1984 | US4434878 Clutch mechanism for power transmission system |
| 01/24/1984 | US4427101 Friction clutch unit |
| 01/19/1984 | WO1984000199A1 Coupling for drive shaft and servo-motor driven shaft |
| 12/13/1983 | US4420070 Friction clutch unit |
| 11/29/1983 | CA1157791A1 Two-speed clutch |
| 11/22/1983 | US4416167 Clutch drive differential |
| 10/18/1983 | US4410074 Friction clutch assembly |
| 10/11/1983 | US4408684 Sequence shifting coupling |
| 09/20/1983 | CA1153906A1 Rotary actuator |
| 09/14/1983 | EP0088590A2 Single shaft positive drive |
| 09/14/1983 | EP0088588A2 Balking clamp positive drive |
| 08/30/1983 | US4400996 Positive clutch differential |
| 07/19/1983 | US4393965 Rotary actuator |
| 02/15/1983 | US4373407 Clutch mechanism for power transmission system |
| 01/04/1983 | US4366887 Vehicle having a main clutch and an auxiliary controllable clutch |
| 01/04/1983 | CA1138682A1 Positive locking shift coupler |
| 10/12/1982 | US4353263 Power transmission mechanism |
| 08/31/1982 | US4346773 Apparatus for operating a motor vehicle |
| 06/01/1982 | CA1124665A1 Variable load clutch apparatus |
| 04/20/1982 | US4325472 Flywheel connected to an internal-combustion engine |
| 03/16/1982 | US4319672 Device for controlling the rotation of a driven rotary member |
| 03/02/1982 | US4317435 Method and device for operating an internal-combustion machine with a flywheel coupled thereto |
| 12/15/1981 | CA1114206A1 Two-speed power take-off |
| 12/01/1981 | US4303151 Positive locking shift coupler |
| 11/10/1981 | US4299319 Two-speed clutch |
| 09/15/1981 | US4289223 Shiftable friction clutch for gear drives |
| 07/14/1981 | US4278156 Clutch engaging and disengaging means |
| 06/09/1981 | US4271942 Two-speed power take-off |
| 06/02/1981 | CA1102296A1 Valve actuator having a rotary bi-directional apparatus with a dual ratchet |
| 03/31/1981 | CA1098503A1 Valve actuator |
| 03/24/1981 | US4257506 Shifter linkage for a cone clutch |
| 03/03/1981 | US4253557 Variable load clutch apparatus |
| 02/24/1981 | US4252208 Method and apparatus for operating a motor vehicle |
| 01/13/1981 | US4244399 Shed locating device for dobbies |
| 12/10/1980 | EP0020201A2 Variable load clutch apparatus |
| 12/02/1980 | US4236620 Double clutch assembly |
| 07/29/1980 | US4214653 Friction clutches |
| 07/01/1980 | US4210232 Clutch mechanisms with two clutch plates |
| 02/19/1980 | US4189038 Drive coupling and clutches |
| 02/19/1980 | CA1071898A1 Gear changing mechanism |
| 12/25/1979 | US4180238 Valve actuator having a rotary bi-directional apparatus with a dual ratchet mechanism |
| 10/30/1979 | CA1065162A1 Power transfer mechanism |
| 05/29/1979 | CA1055410A Drive coupling and clutches |
| 04/10/1979 | CA1052114A1 Bi-directional drive coupling |
| 02/13/1979 | CA1048426A1 Clutch |
| 02/06/1979 | US4138007 Synchronizer |
| 02/06/1979 | US4138006 Power transmission of the interleaved, multiple friction plate clutch type |
| 01/09/1979 | CA1045998A1 Clutches |
| 12/19/1978 | US4130030 Manually shifted actuator |
| 11/14/1978 | US4125790 Magnetic mechanical disconnect |
| 10/10/1978 | US4119183 Clutch |
| 09/26/1978 | US4116322 Clutches |
| 09/26/1978 | US4116315 Landing gear actuator |
| 09/19/1978 | US4114474 Gear shaft assembly |
| 09/19/1978 | US4114469 Valve actuator |
| 09/05/1978 | US4111288 Gear changing mechanism |
| 08/15/1978 | US4106605 Centrifugal and one way clutches in series with friction clutch |
| 07/04/1978 | US4098380 Gear selector mechanism |
| 06/27/1978 | US4096932 Drive for power transmission |
| 05/16/1978 | US4089398 Automatic releasing lock |
| 02/28/1978 | US4076109 Dual friction clutch for motion-picture projectors |
| 11/22/1977 | US4059178 Gear-shifting jaw clutch for speed-changing vehicular transmission |
| 10/04/1977 | US4051934 Bidirectional drive coupling |
| 09/27/1977 | US4050558 Synchronizing device |
| 05/31/1977 | US4026400 Dual friction clutch |
| 05/10/1977 | US4022309 De-clutch mechanism for valve operator |
| 05/10/1977 | US4022308 Drive coupling and clutches |