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| Number | Title | Issue Date |
| 7213696 | Friction clutch arrangement A friction clutch arrangement includes a clutch housing mounted to a flywheel, a pressure plate, a clutch disk mounted on a transmission shaft, and a diaphragm spring which loads the pressure plate toward the flywheel to engage the clutch. A disengagement device inc... | 05/08/2007 |
| 7143886 | Arrangement for generating actuation force in a centrifugal clutch An actuation force generating arrangement for a centrifugal clutch includes a housing, a supporting element, and a plurality of centrifugal members. The housing is rotatable about an axis, the housing having a plurality of first supporting areas which each extend ra... | 12/05/2006 |
| 7140482 | Centrifugal clutch A centrifugal clutch includes a housing which is rotatable about an axis, the housing having a plurality of first supporting areas which each extend radially with respect to the axis; a pressing plate which is axially movable with respect to the housing and is coupl... | 11/28/2006 |
| 7124871 | Disengaging systems A lever system for actuating a clutch or a brake for a vehicle, such as a motor vehicle. The actuating force for the clutch or transmission brake is changeable by displacing a fulcrum with respect to a lever. An energy storage mechanism may act at one end portion of... | 10/24/2006 |
| 7066313 | Self-adjusting clutch A friction clutch wherein a rotary housing supports a tiltable diaphragm spring and confines a pressure plate that is axially movably but non-rotatably mounted therein for movement toward and away from friction linings on a clutch disc between the pressure plate and... | 06/27/2006 |
| 7063199 | Centrifugal clutch A centrifugal clutch includes a housing which is rotatable about an axis, the housing having a plurality of first supporting areas which each extend radially with respect to the axis; a pressing plate which is axially movable with respect to the housing and is coupl... | 06/20/2006 |
| 7014025 | Pressure plate assembly for a friction clutch A housing arrangement can be connected to a flywheel for rotation in common around an axis of rotation, and a pressure element is connected to the housing arrangement for rotation in common around the axis of rotation but is able to shift in the axial direction. A r... | 03/21/2006 |
| 6907975 | Clutch, in particular for motor vehicle, with pneumatic control A clutch for a motor vehicle having an annular diaphragm (54) with a concave clutch characteristic curve and a pneumatic actuator (76) acting on the diaphragm (54) for clutch release. A mechanism (86, 88) is provided to generate a supplem... | 06/21/2005 |
| 6845856 | Release mechanism with a device for compensating for inaccuracies in a friction clutch of a motor vehicle A release mechanism for actuating a friction clutch is concentric to a center axis of a guide sleeve mounted in turn on a transmission shaft. The release mechanism includes a clutch release bearing and a device for compensating for the tilt of the center axis of the... | 01/25/2005 |
| 6827192 | Resilient plate for adjustable clutches A clutch assembly includes a diaphragm spring to bias a retainer assembly toward an engaged position. The retainer assembly actuates a lever to force a pressure plate into torque transmitting contact with a friction disc and a flywheel. Clutch straps bias the pressu... | 12/07/2004 |
| 6814196 | Friction clutch with separately controllable transmission brake A friction clutch, particularly for a motor vehicle, including a clutch disk which can be coupled in frictional engagement with the crankshaft of an internal combustion engine and which is connected by a hub to a transmission input shaft so as to be fixed with respe... | 11/09/2004 |
| 6799668 | Multi-ratio clutch An improved clutch has a distinct force ratio for holding than it does for release. A distinct ratio is achieved by having an abutment surface between a retainer and a diaphragm spring be positioned radially outward from a contact location between a release sleeve a... | 10/05/2004 |
| 6622836 | Release system for a clutch assembly A release system for a clutch assembly comprises a release slide, which is or can be connected to a stored-energy element of the clutch assembly to execute release movements, and at least one brake element, which can move along with the release slide duri... | 09/23/2003 |
| 6578690 | Clutch actuator A fluid pressure operated actuator mechanism for a friction clutch is provided that includes a housing having a generally annular piston disposed therein that is operatively engaged with a resilient member that is pivotably connected to a clutch throw-out... | 06/17/2003 |
| 6371266 | Modular pull-type release system A clutch release mechanism is slideably disposed over a driven shaft to transfer force from a plurality of levers or springs to a pressure plate. The release mechanism is axially displaced to engage or release a clutch. A modular release mechanism disclos... | 04/16/2002 |
| 6354418 | Clutch mechanism, in particular for motor vehicle The invention concerns a clutch mechanism comprising a support part (8) bearing at its outer periphery fixing brackets (7) in contact with the inner surface of the stop brackets (5) of a cover (2), bearing pivotedly the clutch levers (42), some of which a... | 03/12/2002 |
| 6276505 | Multi-disk clutch A multi-disk clutch having a housing with a toothed ring and a cover connected to the toothed ring. The toothed ring, on an inner circumferential surface, has a plurality of disk carrier teeth distributed in the circumferential direction. At least one out... | 08/21/2001 |
| 6202815 | Friction clutch with low disengaging force A friction clutch for a motor vehicle having a clutching friction member and clutching mechanism with a cover and a clutch thrust plate. A resilient clutch member and disengaging gear is disposed between the rear surface of the thrust plate and the cover ... | 03/20/2001 |
| 6131716 | Diaphragm spring assembly for clutch cover assembly A diaphragm spring assembly 18 is provided that makes it possible to use the same engagement member that is used in a structure with one diaphragm spring, in a structure with two diaphragm springs disposed axially next to each other. The diaphragm spring ... | 10/17/2000 |
| 6085886 | Clutch cover assembly A clutch cover assembly 3 is formed to improve the workability of installation of the clutch cover assembly 3 in which a pressure plate 17 is not fixed to a clutch cover 16. The clutch cover assembly 3 is disposed such that clutch disks 42 and 43 are disp... | 07/11/2000 |
| 6035987 | Multi-plate clutch A multi-plate clutch 1 of a boss driving type is provided with structure to make it easy to replace a boss, and to limit the number of parts. The clutch 1 basically includes a flywheel 2, a boss 9, a clutch cover assembly 3, and input-output friction memb... | 03/14/2000 |
| 6026721 | Method for manufacturing valve discs of fluid displacement apparatus A method for manufacturing a first valve disc and a second valve disc for use in a compressor having a longitudinal axis and several cylinder chambers surrounding the axis is described. The method includes the steps of: providing a sheet of resilient valv... | 02/22/2000 |
| 5979629 | Clutch pressing assembly The pull-type clutch 1 basically includes a clutch disc assembly 4, a clutch cover assembly 5, a cylindrical or tubular member 21 and a release mechanism 6. The pull-type clutch 1 is designed to restrain the rotational engagement between the release mecha... | 11/09/1999 |
| 5967272 | Clutch brake wear limiter A transmission bearing cover for limiting wear of a rotatable braking mechanism in a vehicle powertrain having a clutch for releasably coupling an engine to a transmission input shaft includes an annular non-rotatable member disposable about the input sha... | 10/19/1999 |
| 5960926 | Friction clutch with wear compensation A friction clutch has device compensating for wear in the clutch friction wheel and, to a lesser extent, in the pressure plate and reaction plate of the clutch. The wear compensating device is of the type comprising a compensating device arranged between ... | 10/05/1999 |
| 5842550 | Release device for a pull-type clutch A release device (3) is arranged around a main input shaft of a transmission, is provided for pulling an inner peripheral portion of a diaphragm spring (9) toward a transmission so as to disengage a clutch (2), and includes a second sleeve (12), a first l... | 12/01/1998 |
| 5826691 | Clutch cover assembly having a diaphragm spring and a secondary biasing spring working in tandem A clutch cover assembly (1) has release load characteristics which have been smoothed out or flattened by using a secondary conical spring (8) in combination with a diaphragm spring (7). To reduce the overall number of parts in the assembly 1, the pressur... | 10/27/1998 |
| 5823308 | Clutch control with multiple actuating cylinders for a pull-type clutch A control for a heavy vehicle clutch wherein control members are moved rearwardly away from an engine to disengage a clutch from an engine and engage a clutch brake disc. A pair of co-acting multiple actuators are independently mounted at fixed locations ... | 10/20/1998 |
| 5758757 | Wire ring retaining collar and release device for a pull type clutch mechanism In a release device of a pull type clutch, a wedge collar 15 has an annular flange 15a, first and second claws 20 and 21, and a movement restricting portion. The annular flange 15a extends radially outward. The first claws 20 are integral with the flange ... | 06/02/1998 |
| 5758756 | Friction clutch in the drive train of a motor vehicle A diaphragm-spring friction clutch in which an additional spring is arranged which exerts little or no releasing force in the engaged state and high releasing force in the disengaged state. The spring characteristic of the additional spring can be adapted... | 06/02/1998 |
| 5706924 | Clutch including a wear take-up device, in particular, for motor vehicles A Friction clutch including a reaction plate (13, 16), a friction wheel 14 carrying on its outer periphery friction liners (30), a pressure plate (20), diaphragm (24), and a cover plate (17). One of the pressure (20) and reaction (13, 16) plates, includes... | 01/13/1998 |
| 5695036 | Stopless self adjusting diaphragm clutch A clutch cover for use in a diaphragm spring type clutch assembly and adapted to be disposed between a flywheel fixed to a motor vehicle engine crankshaft and a transmission input shaft includes a body portion, an engagement portion, an arcuate spring ret... | 12/09/1997 |
| 5667049 | Pulled-type membrane spring clutch with wear adjustment mechanism A pulled membrane spring clutch, whereby the membrane spring is supported with its outside diameter on a plate spring, which membrane spring has a rather large load pressure. The resulting load pressure acts on a mechanism which makes an automatic adjustm... | 09/16/1997 |
| 5645152 | Friction clutch with adjustment for wear A friction clutch with a plate spring and a mechanism to compensate for wear of the friction linings, whereby there is a disengagement element approximately in the form of a membrane spring which exerts a lifting force on the plate spring or the applicati... | 07/08/1997 |
| 5645150 | Modular clutch construction Modular clutch construction in which a clutch cover assembly, concentrically containing a pressure plate actuating a clutch disc assembly, is fixed to the flywheel of an engine as a modular unit. The construction improves the modular connection between th... | 07/08/1997 |
| 5632365 | Friction clutch A friction clutch which is provided with a system to compensate for wear upon the friction linings of the clutch disc and, if necessary, for wear upon certain other parts employs one or more diaphragm springs or other energy storing elements which assist ... | 05/27/1997 |
| 5609233 | Hydraulically actuated motor vehicle clutch of the pull to release type A friction clutch of the pull to release type, includes a clutch casing (10) within which there is arranged a declutching control device (20), which comprises a clutch release bearing and a hydraulic actuating device (26, 34) that comprises at least one a... | 03/11/1997 |
| 5593015 | Pull-type clutch pressure plate actuating mechanism providing reduced-force disengagement A clutch cover assembly 5 includes a clutch cover 14, a main pressure plate 15, a retaining collar 20, a diaphragm spring 21, a cone spring 16, and an intermediary lever 26. The diaphragm spring 21 presses the retaining collar 20 toward the flywheel 2. Th... | 01/14/1997 |
| 5586634 | Clutch mechanism, especially for a motor vehicle The clutch mechanism comprises a hollow cover plate (1) having at its outer periphery an annular skirt (3), at least one pressure plate (20), and a diaphragm (30), the outer periphery of which defines a Belleville ring (31), which, firstly, bears at its o... | 12/24/1996 |
| 5568852 | Clutch cover assembly having clutch disk wear compensation means A clutch cover assembly comprises a pressure plate, a base cover that is provided on the side that is opposite to the pressing face of the pressure plate, a diaphragm spring, urging mechanisms 25, and restraining mechanisms which restrict movement of the ... | 10/29/1996 |
