| Patents for F16D 23 - Details of mechanically-actuated clutches not specific for one distinct type; Synchronisation arrangements for clutches (6,775) | 
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| 12/17/1997 | EP0812398A1 Disk synchronisation | 
| 12/11/1997 | DE19723394A1 Operating device for controlling an operable control element of a vehicle transmission | 
| 12/11/1997 | DE19723393A1 Operating device for controlling an operable control element of a vehicle transmission | 
| 12/10/1997 | EP0811779A1 Process for assembling a synchronizer for a gear change box | 
| 12/09/1997 | US5695037 Motor vehicle clutch assembly having a hydraulic actuator for a friction clutch of a motor vehicle | 
| 12/09/1997 | US5695033 Synchronizing apparatus for transmission | 
| 11/20/1997 | DE19646850C1 Synchroniser for toothed wheel change gear | 
| 11/20/1997 | DE19619981A1 Positive synchronising coupling | 
| 11/20/1997 | DE19619969A1 Self=synchronising coupling for split environment engine | 
| 11/19/1997 | EP0807769A2 A change gear transmission | 
| 11/12/1997 | EP0806582A2 Clutch release bearing with a cage with axial retention | 
| 11/12/1997 | EP0806581A1 Clutch release bearing with an resilient ring | 
| 11/12/1997 | EP0616141B1 Cover with volumetric compensating device for hydraulic pressure actuating cylinders | 
| 11/12/1997 | CN1164622A Synchronizer mechanism | 
| 11/05/1997 | EP0805286A1 Diaphragm spring clutch actuating assembly | 
| 11/04/1997 | US5682970 Clutch module having a cover plate attached to the flywheel by means of a bayonet type fitting | 
| 10/30/1997 | DE19712611A1 Clutch thrust bearing for motor vehicle clutch with control fork | 
| 10/28/1997 | US5680916 Motor vehicle clutch assembly having a hydraulic actuator which hydraulic actuator has a transmission | 
| 10/21/1997 | US5678670 Synchronizing device in a vehicle gearbox | 
| 10/02/1997 | WO1997036119A1 Clutch release bearing mounting | 
| 10/02/1997 | DE19500935C2 Lageranordnung Bearing assembly | 
| 09/25/1997 | DE19611183A1 Control drive for automated operation of friction clutch | 
| 09/24/1997 | EP0797018A1 Synchronizer mechanism | 
| 09/23/1997 | US5669480 Clutch operating apparatus | 
| 09/16/1997 | US5667048 Clutch disengaging device | 
| 09/12/1997 | WO1997033103A1 Motor vehicle gearbox | 
| 09/09/1997 | US5664654 Synchronizer with self-energizing | 
| 09/03/1997 | EP0793033A1 Driveline retarder with ball ramp loaded friction plates | 
| 09/03/1997 | EP0792715A1 Method for welding foils having a friction lining of sintered powder | 
| 08/28/1997 | WO1997031194A1 Clutch release bearing assembly | 
| 08/27/1997 | CN1157886A Lever clutch and lever brake | 
| 08/21/1997 | WO1997030293A1 Lever clutch/brake | 
| 08/20/1997 | EP0790432A1 Friction material for a synchronizer ring | 
| 08/20/1997 | EP0738335B1 Sintered friction material for friction-linked components and friction-linked component | 
| 08/19/1997 | US5658401 Copper-zinc alloy | 
| 08/19/1997 | US5657844 Synchronization device for gear shift mechanisms | 
| 08/07/1997 | DE19702541A1 Gear=shift wheel assembly for a shift transmission | 
| 08/07/1997 | DE19700935A1 Operating apparatus for constituents of power train in motor vehicle | 
| 08/05/1997 | US5653323 Clutch release bearing assembly | 
| 07/31/1997 | DE19624605C1 Actuator for coupling in motor vehicle | 
| 07/30/1997 | EP0786299A1 Method of manufacturing sintered synchronizing ring | 
| 07/29/1997 | US5651439 Transmission shift system with a synchronizing arrangement | 
| 07/29/1997 | US5651435 Reverse brake for manual transmissions | 
| 07/16/1997 | EP0783638A1 Fabric arrangement and method for controlling fluid flow | 
| 07/03/1997 | WO1997023658A1 Friction body and method for producing the same | 
| 07/03/1997 | DE19603975A1 Synchromesh gear engaging mechanism | 
| 07/01/1997 | CA2131601C Reverse gear squeal-preventing device for transmission | 
| 07/01/1997 | CA2098002C Power assist system for vehicle | 
| 06/26/1997 | DE19548124A1 Reibkörper und Verfahren zum Herstellen eines solchen Friction bodies and methods for producing such | 
| 06/25/1997 | EP0780590A1 Gear change device for a motor vehicle gearbox | 
| 06/24/1997 | US5641046 Bi-directional clutch | 
| 06/24/1997 | US5641045 Synchronizer for transmission | 
| 06/24/1997 | US5641044 Double-acting pin-type synchronizer assembly and synchronizer pin assembly | 
| 06/19/1997 | DE19652061A1 Claw coupling for transmitting rotation from drive shaft to coaxial driven shaft | 
| 06/17/1997 | US5638933 Clutch device | 
| 06/17/1997 | US5638930 For causing speed synchronization | 
| 06/05/1997 | DE19645409A1 Clutch withdrawal mechanism | 
| 05/31/1997 | CA2191649A1 Springs for vehicle transmission synchronizer | 
| 05/28/1997 | CN2254969Y 缓冲离合器 Buffer clutch | 
| 05/22/1997 | DE19647427A1 Kupplungsausrücklageranordnung Clutch release | 
| 05/22/1997 | DE19615487C1 Self-securing lock bolt for articulated connection of clutch pedal with transmission cylinder | 
| 05/22/1997 | DE19542735A1 Ring for synchronising device used for speed-gears in vehicles | 
| 05/21/1997 | EP0774594A2 A synchronizer ring | 
| 05/14/1997 | EP0773384A1 Protection flange for roller bearing, bearing equipped with it, and manufacturing method of a race ring equipped with a protection flange | 
| 05/14/1997 | CN1149681A Synchronizer with self energy increasing function | 
| 05/07/1997 | EP0771963A1 Synchronring with annular spring | 
| 05/06/1997 | US5626214 Arrangement for preventing rattling in a synchronized gearbox | 
| 05/06/1997 | US5626213 Engaging device in a vehicle gear box | 
| 04/23/1997 | CN1148144A Synchronizer with self-energizing | 
| 04/17/1997 | WO1997013612A1 Process for producing synchronising rings | 
| 04/17/1997 | DE19538196A1 Self-setting clutch operating device for vehicle | 
| 04/15/1997 | US5620075 C-shaped synchronizer spring | 
| 04/10/1997 | DE19640952A1 Uncoupling device clutch of motor vehicles | 
| 04/10/1997 | DE19546087C1 Shape-mating clutch between shaft and loose gearwheel in gearbox | 
| 04/10/1997 | DE19537209A1 Verfahren zum Herstellen von Synchronringen A method for producing synchronizing rings | 
| 04/02/1997 | EP0765442A1 Helical spring coupling device between two shafts made by means of an axial cylindrical slider | 
| 04/01/1997 | US5615758 Fabric arrangement and method for controlling fluid flow | 
| 03/27/1997 | DE19535722A1 Friction clutch actuator for vehicle | 
| 03/26/1997 | EP0764243A1 Hydraulic clutch control device, particularly for motor vehicles | 
| 03/25/1997 | US5613587 Transfer case friction plate synchronizer | 
| 03/25/1997 | US5613289 Process of assembling a synchronizer for a gear change box | 
| 03/13/1997 | WO1997009542A1 Sealing assembly for clutch release bearing | 
| 03/13/1997 | WO1997002963A3 Clutch and gear actuation device | 
| 03/12/1997 | EP0762003A1 Synchronising apparatus for change-speed gearing, especially for motor vehicle transmissions | 
| 03/12/1997 | EP0762002A2 Synchronizer pin assembly | 
| 03/04/1997 | US5607037 Springs for vehicle transmission synchronizer | 
| 02/25/1997 | US5605213 Instant actuator for split axle drive mechanism | 
| 02/20/1997 | DE19548859C1 Thrust bearing for vehicle clutch | 
| 02/19/1997 | EP0758723A2 Synchronizer with self-energizing | 
| 02/04/1997 | US5598912 Release coupling for a clutch release mechanism | 
| 01/30/1997 | WO1997002963A2 Clutch and gear actuation device | 
| 01/29/1997 | EP0756107A2 A twin-clutch-type transmission | 
| 01/29/1997 | EP0756098A1 Synchronizer clutch assembly | 
| 01/23/1997 | DE19526684A1 Synchroniser for gear change transmission | 
| 01/22/1997 | EP0754874A2 Synchronizing apparatus for transmission | 
| 01/14/1997 | US5593016 Clutch device for an automatic transmission | 
| 01/14/1997 | US5593015 Pull-type clutch pressure plate actuating mechanism providing reduced-force disengagement | 
| 12/31/1996 | US5588517 Clutch operating apparatus | 
| 12/31/1996 | US5588516 Synchronizer with self-energizing | 
| 12/25/1996 | CN1138879A Sintered friction material for friction-linked components and friction-linked component |