| Patents for F16D 21 - Systems comprising a plurality of mechanically-actuated clutches (2,107) |
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| 03/29/1995 | EP0645557A2 Transmission mainshaft thrust washer and retainer ring combination |
| 03/28/1995 | US5400671 Side shifting mechanism for transaxle |
| 03/16/1995 | DE4324264C1 Draw key transmission for engines and drive units |
| 03/08/1995 | EP0641958A2 Transmission shift control with variable synchronous speed range |
| 02/21/1995 | US5390563 Compound transmission having splitter type auxiliary section |
| 01/24/1995 | US5383543 Transmission mainshaft thrust washer and retainer ring combination |
| 01/19/1995 | WO1995001885A1 Drive arrangement for a hybrid vehicle |
| 01/17/1995 | US5381703 Gearbox countershaft decoupler |
| 01/12/1995 | DE4323602A1 Antriebsanordnung für ein Hybridfahrzeug A drive arrangement for a hybrid vehicle |
| 12/15/1994 | DE4319135A1 Gearbox for motor vehicles |
| 12/14/1994 | EP0628741A1 Vehicle clutch assembly, particularly for tractors |
| 11/29/1994 | US5368145 Nonsynchronized positive clutch structure |
| 10/26/1994 | EP0621152A1 Drive arrangement for motor vehicles, especially with hybrid drive |
| 10/13/1994 | DE4311697A1 Antriebsanordnung für Kraftfahrzeuge, insbesondere mit Hybridantrieb Drive assembly for motor vehicles, especially hybrid |
| 08/31/1994 | EP0612929A2 Connecting system |
| 08/24/1994 | EP0611897A1 Tooth clutch without synchronisation device |
| 08/02/1994 | US5335174 Correcting method for data used for control operation of vehicular clutch |
| 05/04/1994 | CN1086295A Transmission mainshaft thrust washer combination |
| 05/03/1994 | US5307910 Manually operated clutch and brake |
| 04/28/1994 | WO1994005931A3 A multi-speed transmission unit and a shaft and gear engagement mechanism |
| 03/31/1994 | DE4331852A1 Clutch arrangement for vehicle engine - uses pressure rod to control movement of pair of membrane springs. |
| 03/17/1994 | WO1994005931A2 A multi-speed transmission unit and a shaft and gear engagement mechanism |
| 12/14/1993 | US5269194 Transmission mainshaft thrust washer combination |
| 12/01/1993 | EP0572126A1 Transmission mainshaft thrust washer combination |
| 10/19/1993 | CA1323217C Two speed gear train assembly |
| 01/12/1993 | CA1312563C Positive clutch structure |
| 11/04/1992 | EP0511613A1 Gearbox with jaw clutch assembly for a power take off drive |
| 09/16/1992 | CN1018285B Two speed gear train assembly |
| 09/02/1992 | CN1018088B Positive clutch structure |
| 08/04/1992 | US5134909 Power driven screwdriver |
| 06/25/1992 | DE4040702A1 Coupling device for drive and output shafts - has elastic support member axially supporting second coupling element |
| 06/11/1992 | DE4038731A1 Coupling for two shafts - consists of claw coupling with compression spring, with multiple discs in housing or rotating bushings |
| 05/05/1992 | US5109722 Self-detenting transmission shift key |
| 03/25/1992 | EP0476999A1 Power driven screwdriver |
| 03/17/1992 | US5096034 Reversing clutch mechanism |
| 03/10/1992 | US5094329 Dual flywheel for a transmission input clutch |
| 02/25/1992 | CA1296201C Mechanical transmission and control method therefor |
| 02/23/1992 | CA2044754A1 Side shifting mechanism for transaxle |
| 02/11/1992 | US5086896 Jaw clutch coupling mechanism and shift lever link mechanism |
| 12/27/1991 | EP0462904A2 Gearbox |
| 12/22/1991 | CA2045039A1 Gearbox |
| 11/14/1991 | WO1991017373A1 Drive mechanisms |
| 10/01/1991 | US5052535 Positive clutch structure |
| 06/05/1991 | EP0429801A2 Jaw clutch coupling mechanism and shift lever link mechanism |
| 05/28/1991 | US5019023 Speed changer mechanism for electrically powered tool |
| 03/27/1991 | EP0419227A2 Ball screw actuated clutch combination |
| 03/27/1991 | CN1012205B Mechanical transmission and control method therefor |
| 03/22/1991 | CA2022793A1 Ball screw actuated clutch combination |
| 02/13/1991 | EP0412683A1 Dual mass flywheel for a transmission input clutch |
| 10/30/1990 | US4966267 Ball screw actuated clutch combination |
| 10/23/1990 | US4964313 Two-speed gear train assembly |
| 07/26/1990 | DE4002053A1 Locking differential for four wheel drive - has three-position servo for freewheel and normal and locked drive |
| 06/13/1990 | CN1042975A Two speed gear train assembly |
| 05/08/1990 | US4922767 Helical gear transmission device |
| 05/02/1990 | EP0365935A1 Two speed gear train assembly |
| 01/18/1990 | DE3822614C1 Device for the selective rotational coupling of two coaxial shafts |
| 12/21/1989 | DE3918170A1 Gear-change arrangement |
| 11/28/1989 | US4882951 Auxiliary transmission input section |
| 11/07/1989 | US4878571 Shiftable friction clutch for gear drives |
| 09/20/1989 | EP0332961A2 Auxiliary transmission input section |
| 09/14/1989 | DE3807117A1 Twin clutch comprising two friction clutches |
| 09/06/1989 | EP0221126B1 Power take-off apparatus |
| 06/06/1989 | US4836351 Motor vehicle clutch |
| 05/23/1989 | US4831894 Transmission input section |
| 05/18/1989 | DE3737229A1 Reibungskupplungseinheit Friction clutch assembly |
| 03/22/1989 | CN1031883A Positive clutch structure |
| 02/22/1989 | EP0303841A2 Positive clutch structure |
| 01/18/1989 | EP0112910B1 Coupling for drive shaft and servo-motor driven shaft |
| 12/08/1988 | DE3815638A1 Gear shift device |
| 12/06/1988 | US4788889 Mechanical transmission and control method therefor |
| 11/29/1988 | US4787492 Double friction clutch with individual control |
| 11/23/1988 | EP0292456A1 A motor vehicle clutch |
| 10/05/1988 | CN88101331A Mechanical transmission and control method therefor |
| 09/21/1988 | EP0282726A2 Mechanical transmission and control method therefor |
| 08/04/1988 | DE3701912A1 Device for the transmission of torque from a reciprocating piston engine to a gearbox |
| 08/02/1988 | US4760756 Combined engagement-disengagement device for two speed reduction gears with coaxial shafts |
| 07/28/1988 | DE3737192A1 Hybrid drive for a vehicle |
| 03/15/1988 | US4730505 Power change-over mechanism of a vehicle for industrial machinery |
| 03/03/1988 | DE3628693A1 Double clutch with noise suppression |
| 01/26/1988 | US4721194 Clutch rocker mechanism for transfer case |
| 01/20/1988 | EP0253103A1 Shiftable friction clutch for gear drives |
| 12/02/1987 | EP0247770A2 Friction clutches |
| 10/22/1987 | DE3711490A1 Gearbox without synchromesh rings - has outer sliding sleeve with inner teeth to couple to one of two gearwheels |
| 10/07/1987 | EP0239763A2 Single shaft positive drive |
| 09/16/1987 | EP0237124A2 Combined engagement-disengagement device for two speed reduction gears with coaxial shafts |
| 08/19/1987 | EP0148224B1 Vehicle drive arrangement |
| 07/28/1987 | US4682668 Go-cart |
| 07/14/1987 | US4679682 Marine drive shift mechanism with detent canister centered neutral |
| 07/14/1987 | US4679673 Marine reversing clutch assembly |
| 07/07/1987 | US4677867 Power change-over mechanism of a vehicle for industrial machinery |
| 07/02/1987 | DE3546342A1 Agricultural implement carrier vehicle |
| 06/30/1987 | US4676352 Combination gear drive with improved clutch assembly |
| 03/17/1987 | CA1219148A1 Two-speed power transmission for small vehicles |
| 01/15/1987 | DE3529753C1 Driving device |
| 12/23/1986 | US4630720 Vehicle drive arrangement |
| 12/23/1986 | US4630719 Torque aided pulsed impact shift mechanism |
| 12/16/1986 | CA1215330A1 Electromagnetic friction clutch |
| 12/02/1986 | US4626696 Flywheel propulsion system for automotive vehicles or the like |
| 11/20/1986 | WO1986006690A1 Power take-off apparatus |
| 11/18/1986 | US4623322 Mechanical drive with bi-directional override |