| 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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| 05/04/1993 | US5207741 Release assembly for a pull-type clutch | 
| 04/29/1993 | DE4135487A1 Synchroniser for gearwheel switching gears - has sliding sleeve axially displaceable on drive shaft and enclosing running synchronisation ring | 
| 04/29/1993 | DE4135215A1 Synchroniser for gearwheel switch gears - has centrifugal force locking members and acoustic signal warning driver of developing faulty switching | 
| 04/21/1993 | EP0538130A1 Guide tube with an integrated sealing for a clutch release bearing in an automotive vehicle gearbox | 
| 04/13/1993 | US5201393 Assemblage mechanism in a clutch release assembly | 
| 03/25/1993 | DE4230324A1 Vehicle clutch operating device - has transmission part fitted at one end of release stop in order to exert pressure force on engine shaft plate spring | 
| 03/24/1993 | EP0533537A1 Release mechanism for a pull-type clutch, especially for automotive vehicles | 
| 03/18/1993 | DE4228405A1 Thrust bearing for vehicle clutch with simple assembly - has self locating sprung coupling to clutch and with provision for alignment for worn clutch | 
| 03/18/1993 | DE4130685A1 Plastics grip ring for synchronising gear - has axial conical fit with snap fastening and with locating grooves for torque coupling | 
| 03/04/1993 | DE4129231A1 Variable speed toothed gear with several reduction gears - has curved gearing for easier adjustment of sleeve support | 
| 03/02/1993 | US5190381 Release bearing assembly | 
| 02/18/1993 | DE4226627A1 Release for engine-gearbox assembly | 
| 02/18/1993 | DE4140939C1 Synchromesh gear clutch to shaft in gear change transmission - has frictional, conical clutch with active inner and outer cones, with latter fixed w.r.t. gear change slide sleeve | 
| 02/02/1993 | US5183141 Release mechanism for pull-type clutch | 
| 01/19/1993 | CA1312834C Clutch | 
| 01/07/1993 | EP0521843A1 Friction ring | 
| 01/07/1993 | DE4220020A1 Hydraulically-actuated vehicle clutch mechanism - uses piston with piston rod connected to lever | 
| 12/10/1992 | WO1992021891A1 Self-aligning clutch release bearing assembly | 
| 11/25/1992 | EP0515243A1 Synchronizer for gearbox | 
| 11/24/1992 | US5165299 Pedal depression assisting mechanism | 
| 11/24/1992 | CA1310599C Synchronizer blocker pin mounting structure | 
| 11/24/1992 | CA1310598C Internal assisted clutch | 
| 11/12/1992 | DE4114831A1 Regulating cone plate for friction clutch - has entrainment teeth with sleeve faces lying in concentric cylinder faces | 
| 11/10/1992 | US5161423 Self-energizing synchronizer for equalizing shift time and effort of a multi-ratio transmission | 
| 10/29/1992 | WO1992018790A1 Clutch for a gearbox | 
| 10/28/1992 | EP0511051A1 Clutch release bearing | 
| 10/28/1992 | EP0510457A1 Form-fitting coupling for transfer gear and differential unit of a motor vehicle, transfer gear and differential unit having such a coupling, and method of operating same | 
| 10/22/1992 | DE4111296A1 Friction clutch adjuster, acting via axial bearing - has disc spring, tensioned between clutch plates, and clutch side axial bearing disc, with constant force adjusting range | 
| 10/21/1992 | EP0418232B1 Arrangement for centering a bearing unit of a pull-type clutch | 
| 10/20/1992 | US5156248 Clutch thrust bearing | 
| 10/18/1992 | CA2065559A1 Clutch for manual transmission | 
| 10/14/1992 | EP0508976A1 Synchronizing device | 
| 10/14/1992 | EP0508639A1 Synchronizer sliding clutch sleeve | 
| 10/13/1992 | CA1308675C Drive engagement delay device | 
| 10/06/1992 | US5152388 Method and apparatus for controlling a clutch for vehicles | 
| 10/01/1992 | DE4110513A1 Locking device to prevent engagement of reverse gear in gearbox - uses locking pin actuated by centrifugal force | 
| 09/29/1992 | US5150778 Self-aligning clutch release bearing assembly | 
| 09/24/1992 | DE4211769A1 Synchroniser clutch, for vehicle gear shift mechanism - has inner toothed sleeve, coupling with outer teeth, synchroniser ring and meshing piece | 
| 09/24/1992 | DE4203540A1 Synchromesh coupling with internally geared sliding collar - has blocking and coupling gear sections of collar formed axially and radially separate | 
| 09/16/1992 | CN1018285B Two speed gear train assembly | 
| 09/16/1992 | CA2058037A1 Clutch release mechanism | 
| 09/01/1992 | US5143192 Friction clutch or friction brake | 
| 08/27/1992 | DE4205370A1 Thrust linkage for diaphragm clutch - with wire ring coupling between thrust bearing and diaphragm grip ring | 
| 08/26/1992 | EP0500408A1 Synchroniser with stepped teeth on hub and actuating sleeve | 
| 08/25/1992 | US5141091 Clutch control mechanism, in particular for motor vehicles | 
| 08/25/1992 | US5141087 Self-energizing synchronizer | 
| 08/20/1992 | WO1992014073A1 Stabilising and supporting device for the pivot of a clutch lever | 
| 08/20/1992 | DE4103931A1 Stabilisierungs- und abstuetzeinrichtung fuer die schwenklagerung eines kupplungshebels Stabilization and support means for pivoting the storage of a clutch lever | 
| 08/18/1992 | US5139126 Control device for a clutch, in particular for an automotive vehicle | 
| 08/06/1992 | DE4106503C1 Load stressed gear change transmission - has friction clutch actuator with two compression rings, one axially fixed, another axially shiftable and both rotatable | 
| 08/04/1992 | US5135090 Actuator for a motor vehicle clutch | 
| 08/04/1992 | US5135087 Dual-cone synchronizer with servo action | 
| 07/29/1992 | EP0382778B1 Side assembled clip for self-aligning bearing | 
| 07/29/1992 | CN2111400U Improved clutch shell of small four-wheel tractor | 
| 07/15/1992 | EP0494276A1 Hydraulic self-adjusting device for control cables of clutches | 
| 07/15/1992 | CN1062784A Synchronizer with deep splines and improved boost ramps | 
| 07/15/1992 | CN1062783A Self-energizing synchronizer for equalizing shift time and effort of multi-ratio transmission | 
| 07/15/1992 | CN1062782A Sel-energizing synchronizer | 
| 07/09/1992 | WO1992011473A1 Clutch with a synchronising device | 
| 07/07/1992 | US5127506 Clutch actuating system | 
| 07/01/1992 | EP0492883A1 Synchronizer mechanism | 
| 07/01/1992 | EP0492849A1 Self-energizing synchronizer with force limiting | 
| 07/01/1992 | EP0492836A1 Pin-type synchronizer | 
| 07/01/1992 | EP0492835A1 Synchronizer mechamism | 
| 07/01/1992 | EP0492834A1 Synchronizer mechanism | 
| 07/01/1992 | EP0492833A1 Self-energizing synchronizer | 
| 07/01/1992 | EP0492832A1 Self-energizing synchronizer for equalizing shift time and effort of a multi-ratio transmission | 
| 07/01/1992 | EP0492831A1 Pin-type synchronizer | 
| 06/30/1992 | US5125256 Method of manufacturing outside ring | 
| 06/25/1992 | DE4040330A1 Schaltkupplung mit einer synchronisiereinrichtung Clutch with a synchronizer | 
| 06/24/1992 | EP0490939A1 Synchroniser mechanism for automative manual transmission. | 
| 06/16/1992 | CA1303657C Self-aligning bearing | 
| 06/16/1992 | CA1303387C Multi-disk synchronizer | 
| 06/11/1992 | DE4139353A1 Brake or clutch friction ring production method | 
| 06/09/1992 | US5119913 Force transmission linkage for automotive vehicles | 
| 06/04/1992 | DE4037684A1 Friction clutch operating mechanism - has swivel-mounted disengagement lever reducing noise and vibration at bearing point | 
| 06/04/1992 | DE4037683A1 Striker coupling for overcoming adhesion friction - works in spindle gears with power-dependent motor switching and has spindle retained axially in plate springs | 
| 06/03/1992 | EP0487972A2 Vibration absorber | 
| 06/02/1992 | US5117958 Force transmission linkage for automotive vehicles | 
| 05/19/1992 | US5113989 Actuating assembly for a clutch release bearing, in particular for an automotive vehicle | 
| 05/19/1992 | US5113988 Clutch thrust bearing comprising means for connection to the operating member | 
| 05/19/1992 | US5113986 Strut-type synchronizer mechanism with retracting and centering strut | 
| 05/19/1992 | US5113985 Synchronizer strut guide | 
| 05/13/1992 | CN2104341U Clutch drawing wire | 
| 05/12/1992 | US5111922 Pre-energizer for a synchronizer | 
| 05/07/1992 | DE4035264A1 Wear and tear resistant copper@ alloys for mfg. synchronisation rings for motor cars - contain zinc@, aluminium@, niobium, molybdenum@ and zirconium@, titanium@ and/or vanadium@ etc. | 
| 05/05/1992 | US5109969 Jaw clutch | 
| 05/05/1992 | US5109968 Clutch oscillator assembly | 
| 05/05/1992 | CA1299900C Gear synchronizer for power transmission | 
| 04/28/1992 | CA1299396C Gear synchronizer for power transmission | 
| 04/22/1992 | EP0481894A1 Arrangement for mounting a release bearing on a diaphragm spring, especially for a clutch in an automotive vehicle | 
| 04/22/1992 | EP0480976A1 Downshift securing device. | 
| 04/21/1992 | US5105927 Use in a transmission | 
| 04/21/1992 | US5105522 Process of manufacturing a friction ring provided with a sinter-bonded friction facing | 
| 04/14/1992 | US5104240 Release bearing assembly | 
| 04/14/1992 | US5103952 Pre-engergizer for one-way synchronizer | 
| 04/01/1992 | EP0478427A1 Clutch control device, especially for motor vehicles | 
| 03/24/1992 | US5097931 Force transmission linkage for automotive vehicles | 
| 03/24/1992 | US5097930 Pre-energizer for a synchronizer | 
| 03/17/1992 | US5096037 Gearshifting or sliding sleeve for automobile transmissions and a manufacturing process |