| 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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| 03/07/1991 | DE4027884A1 Synchronising ring for vehicle gear clutch - has two parallel conical surfaces with profiling on and frictional coating |
| 03/06/1991 | CN1011906B Blocked jaw clutch assembly |
| 03/05/1991 | US4997075 Clutch releasing bearing apparatus |
| 02/26/1991 | US4995924 High wear resistance |
| 02/19/1991 | US4993533 Manual connect-disconnect operator |
| 02/12/1991 | US4991703 Clutch cover and releasable bearing assembly |
| 02/05/1991 | US4989706 Synchronizer |
| 01/29/1991 | US4987983 Dual-mode powered clutch actuator |
| 01/10/1991 | WO1991000439A1 Downshift securing device |
| 01/03/1991 | DE4020240A1 Rueckschaltsicherung Rueckschaltsicherung |
| 12/11/1990 | US4976347 Actuator for friction engagement device |
| 12/11/1990 | CA1277611C Inertia lock type synchronous clutch mechanism |
| 11/29/1990 | DE3744898C2 Mfg. synchromesh ring with friction face |
| 11/28/1990 | EP0399855A1 Device for clamping a clutch release bearing onto a sliding sleeve |
| 11/27/1990 | US4973274 Shift assisting device |
| 11/13/1990 | US4969755 Inner bearing ring of a clutch release bearing |
| 11/13/1990 | US4969547 Arrangement for centering a bearing unit of a pull-type clutch |
| 11/13/1990 | US4969369 Multi-stage gear shift transmission |
| 11/08/1990 | DE3918009C1 Synchroniser clutch for gearbox - has tapered friction ring and tapered sleeve extending from shaft gear |
| 11/06/1990 | USRE33428 Range gearbox for motor vehicles having an axially shiftable ring gear |
| 11/06/1990 | US4967891 Release mechanism of a clutch |
| 10/30/1990 | CA1275676C Clutch release bearing |
| 10/24/1990 | EP0393845A1 Fixture and method for bonding friction material |
| 10/23/1990 | US4964505 Locking synchronizing means for transmisson shifts |
| 10/23/1990 | US4964313 Two-speed gear train assembly |
| 10/17/1990 | EP0393011A1 Procedure for making a friction ring for clutches or brakes with a sintered friction lining |
| 10/17/1990 | CN1046212A Fixture and method for bonding friction material |
| 10/04/1990 | DE4009916A1 Clutch control for vehicle - has strut attaching control to housing, and in which two control pieces move with cam pieces between and includes two rings |
| 09/26/1990 | EP0389324A1 Synchroniser and method of assembling the same |
| 09/26/1990 | EP0389024A1 Method of making a gear-change sleeve for a motor vehicle |
| 09/25/1990 | CA1274404A1 Blocked jaw clutch assembly |
| 09/04/1990 | US4954187 Precipitates copper-zinc alloy with nickel silicide |
| 09/04/1990 | US4953678 Clutch actuation system |
| 09/04/1990 | CA1273506A1 Blocked jaw clutch assembly |
| 08/28/1990 | US4951798 Synchronized ring and matching core; lubricated automotive transmission |
| 08/28/1990 | US4951796 Radially adjustable clutch release bearing assembly |
| 08/23/1990 | WO1990009533A1 Pedal-operated clutch device |
| 08/22/1990 | EP0382778A1 Side assembled clip for self-aligning bearing. |
| 08/16/1990 | EP0382132A2 Continuous hydromechanical power transmission with toothed clutches |
| 08/14/1990 | US4947976 Release arrangement for a motor vehicle clutch |
| 08/14/1990 | US4947975 Release bearing mechanism of a clutch |
| 08/09/1990 | DE4002713A1 Pedal operated coupling for motor driven vehicle - consists of a linkage with contact piece and plate spring |
| 08/07/1990 | US4945780 Drive unit for a monorail carrier |
| 08/01/1990 | EP0380401A1 Elastically self-aligning clutch release assembly |
| 07/31/1990 | US4944380 Diaphragm spring device in a clutch |
| 07/31/1990 | US4944378 Synchronizing ring |
| 07/24/1990 | US4943321 High strength, wear resistance |
| 07/19/1990 | DE4000068A1 Gearbox dog-clutch mechanism - has spring on synchromesh body working against friction face on gear |
| 07/10/1990 | US4940847 Method for manufacturing a friction ring having a conical or cylindrical friction surface |
| 07/10/1990 | US4940565 Method for manufacturing frictional locking rings for stepped motor vehicle transmission synchronizing mechanisms |
| 07/04/1990 | EP0376816A1 Double synchroniser with integrated axial locking means |
| 07/04/1990 | EP0277115B1 Claw coupling with synchronization device for locking |
| 07/03/1990 | US4938089 Forged gear for a transmission |
| 07/03/1990 | CA1271148A1 Synchronizer hollow spring pin |
| 06/28/1990 | DE3843134A1 Clutch release device with a plastic sliding sleeve |
| 06/27/1990 | EP0374363A1 Lockable synchronous clutch |
| 06/27/1990 | EP0303606B1 Synchronisation ring |
| 06/27/1990 | EP0266712B1 Method and device for manufacturing friction elements, especially synchronizing parts in motor vehicle transmissions |
| 06/26/1990 | US4936432 Internal assisted clutch components and assembly |
| 06/19/1990 | US4934503 Clutch control device suitable for an automobile vehicle |
| 06/19/1990 | US4934501 Power transmission with a clutch unit having shaft speed measuring means |
| 06/19/1990 | US4934498 Drive engagement delay device |
| 06/13/1990 | DE3939393A1 Synchromesh for large torques - with synchro mounting coupled to shaft by splines |
| 06/13/1990 | DE3842722C1 Actuating device for a friction clutch arranged in the drive train of a motor vehicle |
| 06/13/1990 | CN1042975A Two speed gear train assembly |
| 06/06/1990 | EP0302857B1 Locking synchronization system for gearbox shift systems |
| 06/05/1990 | US4931117 Method for manufacturing frictional locking rings for stepped motor vehicle transmission synchronizing mechanisms |
| 05/30/1990 | EP0370562A2 Process and apparatus for working the tooth flanks of coupling devices prepared by powder metallurgy |
| 05/22/1990 | US4926993 Release bearing unit |
| 05/15/1990 | US4924988 Clutch |
| 05/15/1990 | US4924724 Shift assisting device |
| 05/10/1990 | DE3914049C1 Vehicle clutch actuation system - incorporates plate spring and disengaging shaft |
| 05/08/1990 | US4923044 Clutch control device, especially for automotive vehicles |
| 05/02/1990 | EP0366493A2 Multi-stage gear shift transmission |
| 05/02/1990 | EP0365935A1 Two speed gear train assembly |
| 04/24/1990 | US4919246 Assembly of two generally annular members, in particular a diaphragm and securing member for a clutch mechanism, particularly for an automobile |
| 04/24/1990 | CA1268060A1 Transmission vibration viscous damper |
| 04/19/1990 | WO1990004114A1 Clutch release bearing |
| 04/17/1990 | US4917743 Method for manufacturing a friction ring having a conical or cylindrical friction surface |
| 04/10/1990 | US4915200 Airframe mounted accessory drive gearbox manual decoupler system |
| 04/04/1990 | EP0361686A1 Manual transmission and gear rattle damper therefor |
| 04/03/1990 | US4913276 Clutch releasing apparatus |
| 03/28/1990 | EP0360650A1 Clutch release mechanism, in particular for motor vehicles |
| 03/28/1990 | CN1040857A Clutch release bearing |
| 03/27/1990 | US4911277 Release bearing asssembly for a push type motor vehicle clutch |
| 03/20/1990 | US4909370 Pulled-type motor vehicle clutch |
| 03/06/1990 | US4905806 Synchronizing shift clutch toothing arrangement |
| 02/27/1990 | US4903809 Reversible clutch release bearing assembly |
| 02/27/1990 | US4903808 Guide device for release bearing in pull type friction clutch |
| 02/27/1990 | US4903807 Release bearing mechanism of a clutch |
| 02/20/1990 | US4901835 Transmission synchronizer with shift inhibitor |
| 01/23/1990 | US4895469 Locking fastener |
| 01/23/1990 | US4895236 Actuator for the frictional engaging device |
| 01/23/1990 | US4895235 Clutch |
| 01/11/1990 | DE3921842A1 Clutch release bearing |
| 01/09/1990 | US4892004 Automatic length adjuster for control cables |
| 01/02/1990 | US4890711 Clutch control system for an automobile vehicle, and a clutch release bearing therefor |
| 01/02/1990 | US4890708 Clutch having an adjustable lever mating with a diaphragm spring |
| 12/28/1989 | DE3919944A1 Coupling unit for clutch release bearings, especially for a motor vehicle |
| 12/28/1989 | DE3919943A1 Arrangement for fastening a coupling piece to a diaphragm spring, especially for a motor vehicle |