| 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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| 02/29/2000 | US6029792 Friction clutch with spring compensating the change in pressure force due to wear | 
| 02/29/2000 | US6029790 Composite release sleeve for a clutch assembly | 
| 02/24/2000 | DE19837578A1 Automotive clutch release bearing comprises integral rim-beaded outer ring to bridge inter-ring gap plus inner ring beading as beading support | 
| 02/15/2000 | US6024201 Disengaging mechanism for a friction clutch | 
| 02/10/2000 | DE19835574A1 Operating unit for pneumatically operated friction clutch in driving line of esp. commercial vehicle arranged between IC engine and gear and with operating system for operating friction clutch | 
| 02/10/2000 | DE19833397A1 Automotive gear box linkage simplifies gearbox assembly and disassembly without removal of a gear wheel | 
| 02/03/2000 | DE19843548A1 Bearing for thrust arm of clutch has a ball and socket joint protected by an elastic seal | 
| 02/03/2000 | DE19834544A1 Synchronisiereinrichtung für ein Fahrzeuggetriebe The synchronizer for a vehicle transmission | 
| 02/02/2000 | EP0976942A1 A synchronised clutch for the gearbox of a vehicle | 
| 02/02/2000 | EP0976941A1 Synchronizer for a vehicle transmission | 
| 02/01/2000 | CA2137948C Synchronizer with self-energizing | 
| 01/27/2000 | WO2000004299A1 Synchronization device | 
| 01/27/2000 | DE19832729A1 Automotive manual gearbox synchromesh can be manufactured without machining in large quantities at low cost | 
| 01/26/2000 | EP0729551B1 Synchronizing device in a vehicle gearbox | 
| 01/26/2000 | CN1242481A Synchronizer casing having combination supporting plate or stopping element | 
| 01/25/2000 | US6016895 Synchronizing device | 
| 01/20/2000 | DE19930988A1 Planetary transmission with synchronization for vehicle, with coupling teeth on outside of hollow gear wheel, on which coupling bush with corresponding teeth can move axially | 
| 01/20/2000 | DE19831503A1 Synchronizing unit for synchronizing engine speed with respect to gears | 
| 01/18/2000 | USRE36502 Clutch ball ramp actuator with drive and coast apply | 
| 01/18/2000 | US6014807 Method of manufacturing a double-structure synchronizer ring | 
| 01/18/2000 | CA2137947C Synchronizer with self-energizing | 
| 01/11/2000 | US6012561 Dual clutch design for and electro-mechanical automatic transmission having a dual input shaft | 
| 12/30/1999 | DE19928597A1 Synchronizing system for gearbox of car | 
| 12/28/1999 | US6006883 Friction clutch | 
| 12/28/1999 | CA2136030C Synchronizer with self-energizing | 
| 12/23/1999 | WO1999066226A1 Hydraulic control clutch device equipped with a guide tube and method for producing such a tube | 
| 12/22/1999 | EP0965769A1 Sintered synchronising ring | 
| 12/22/1999 | EP0965004A1 Clutch thrust block | 
| 12/22/1999 | CN1047658C Speed variator | 
| 12/16/1999 | WO1999064755A1 Friction disk assembly and method of making same | 
| 12/15/1999 | EP0736146B1 Clutch release bearing | 
| 12/14/1999 | US6000515 Clutch assembly | 
| 12/08/1999 | EP0721018B1 Friction material for lubricated tribological systems | 
| 12/07/1999 | US5998311 Fabric arrangement and method for controlling fluid flow | 
| 12/07/1999 | US5996754 Electro-mechanical clutch actuator | 
| 12/02/1999 | WO1999061812A1 Clutch release bearing self-aligned by a sleeve | 
| 12/01/1999 | EP0710331B1 Lock-synchronised gearbox shift system | 
| 11/30/1999 | US5993733 Method of manufacturing sintered synchronizing ring | 
| 11/30/1999 | US5993354 Transfer case shift control system using automatic shutdown relay circuit | 
| 11/30/1999 | US5993067 Release bearing for actuating gearshift clutch of an automotive vehicle | 
| 11/30/1999 | US5992598 Clutch-release device | 
| 11/23/1999 | CA2147288C Control system/method for default start gear ratio selection | 
| 11/18/1999 | DE19822193A1 Stageless automatic gear for road vehicle | 
| 11/18/1999 | DE19821565A1 Motor vehicle gearbox synchronizer design | 
| 11/17/1999 | EP0957279A1 Synchroniser with pre-energiser spring | 
| 11/17/1999 | CN1235250A Clutch travelling sleeve piece for synchronizer of gear shifting box | 
| 11/16/1999 | US5984072 Adjusting device for activation of a friction clutch | 
| 11/11/1999 | DE19919339A1 Automotive clutch pedal with return spring | 
| 11/11/1999 | DE19820654A1 Schiebemuffe einer Synchronisiereinheit für Schaltgetriebe Sliding sleeve of a synchroniser unit for manual | 
| 11/10/1999 | EP0955481A2 Shift sleeve of a synchronizer assembly for a gearbox | 
| 11/10/1999 | CN1046340C Synchronizing device in vehicle gearbox | 
| 11/10/1999 | CN1046339C Clutch module with a cover attached to the flywheel by a bayonet-type mounting means | 
| 11/09/1999 | US5979632 Disengagement mechanism for clutch actuation in motor vehicles | 
| 11/09/1999 | US5979629 Clutch pressing assembly | 
| 11/03/1999 | EP0953783A1 Clutch release bearing with vibration damping | 
| 11/02/1999 | US5975263 Synchronizer clutch | 
| 11/02/1999 | US5974905 Motor vehicle gearbox | 
| 11/02/1999 | CA2138431C Synchronizer with self-energizing | 
| 10/19/1999 | US5969001 Heat resistance, wear resistance and scorch resistance of carbon and thermosetting resin, metal fibers or particles and porous graphite | 
| 10/19/1999 | US5968604 Thermal spraying a copper alloy coating with zinc, aluminum or molybdenum | 
| 10/19/1999 | US5967939 Actuating arrangement | 
| 10/19/1999 | US5966802 Device for assembling a synchronizer for a change-speed gear | 
| 10/14/1999 | DE19914937A1 Actuating system for disengaging clutch | 
| 10/14/1999 | DE19815496A1 Notbetätigungseinrichtung für einen elektromotorischen Stellantrieb Emergency control for an electric motor driven actuator | 
| 10/13/1999 | EP0949435A2 Gear with integrated cluch spline and its forming method | 
| 10/13/1999 | EP0949429A2 Emergency operating device for an electric motor driven actuator | 
| 10/13/1999 | EP0948721A1 Gearbox with synchronised reverse gear for motor vehicles | 
| 10/08/1999 | CA2234356A1 Non-riding commercial lawnmower having an end shaft mounted clutch | 
| 10/05/1999 | US5960925 Synchronizing apparatus and method of manufacturing a synchronizing member thereof | 
| 09/30/1999 | DE19913167A1 Clutch operating assembly | 
| 09/29/1999 | EP0944775A1 Device for vehicle transmission | 
| 09/29/1999 | CN1229740A Input shaft sleeve for clutch release assembly | 
| 09/28/1999 | US5957257 Self-energizing synchronizer including force limiting | 
| 09/23/1999 | DE19912432A1 Automotive clutch disengagement bearing adapts to movement | 
| 09/23/1999 | DE19912431A1 Disengagement mechanism for clutches, particularly for motor vehicles | 
| 09/21/1999 | US5954178 Apparatus for actuating an aggregate in the power train of a motor vehicle | 
| 09/15/1999 | EP0942190A2 Actuating device, in particular for a clutch | 
| 09/15/1999 | EP0941163A1 Method and device for producing an error signal in a motor vehicle | 
| 09/08/1999 | EP0940596A2 Friction clutch | 
| 09/08/1999 | EP0940232A2 Dog clutch mechanism for a chain saw | 
| 09/07/1999 | US5947251 For a motor vehicle | 
| 09/07/1999 | US5947249 Device for fixing and articulating a master cylinder on a motor vehicle clutch pedal | 
| 08/25/1999 | CN1226952A Morphology matrix for short gearing | 
| 08/24/1999 | US5942135 Synchronizing structure in motor vehicle gear boxes | 
| 08/19/1999 | DE19806031A1 Shift device for shifting operation of multistage gear shift mechanisms for cars | 
| 08/18/1999 | EP0868538B1 Friction body and method for producing the same | 
| 08/17/1999 | US5937982 Synchronizer including axially-moveable self-energizing member | 
| 08/11/1999 | CN1225426A Synchronizer | 
| 08/10/1999 | US5934433 Friction clutch having an actuator for automated operation | 
| 08/10/1999 | US5934428 Synchronizer including neutral return and self-energizing disengagement | 
| 08/10/1999 | US5934142 Two piece continuous mesh synchronized reverse idler system | 
| 08/04/1999 | EP0933548A2 Pin type synchronizer | 
| 08/04/1999 | EP0933547A2 Synchronising device with synchroniser ring having an external conical surface for speed-changing transmission | 
| 07/27/1999 | US5927454 Input shaft sleeve for a clutch release assembly | 
| 07/27/1999 | US5927146 System and method for preventing gear hopout in a compound transmission | 
| 07/20/1999 | US5924538 Lever support device for clutch cover assembly | 
| 07/20/1999 | US5924535 Pin-type synchronizer with self-energizing ramp means providing force for maintaining engagement of jaw members | 
| 07/15/1999 | WO1999035415A1 Friction lining mounted on friction ring | 
| 07/14/1999 | CN1222656A Synchronizer | 
| 07/13/1999 | US5921362 Synchronizing device with spring element applying constant force to a disc set for achieving the synchronization moment |