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