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| Number | Title | Issue Date |
| 8037987 | Wet-type multi-plate clutch In a wet-type multi-plate clutch comprising an externally-toothed plate and an internally-toothed plate each of which is formed by adhering a friction material on a core plate and in which torque is transmitted by engaging the externally-toothed plate and the intern... | 10/18/2011 |
| 7967123 | Wet-type multi-plate friction engaging apparatus The present invention provides a wet-type multi-plate friction engaging apparatus comprising a clutch portion including internally toothed plates and a piston adapted to apply an urging force for engaging the internally toothed plates and wherein load acting portion... | 06/28/2011 |
| 7845480 | Frictional coupling device support structure and transmission A support structure for supporting a brake, as a frictional coupling device, includes a snap ring, a friction plate, and a back plate. The snap ring fits in a groove that extends in a circle. The back plate is disposed between the friction plate and the snap ring. T... | 12/07/2010 |
| 7823712 | Wet-type multi-plate clutch In a wet-type multi-plate clutch comprising an externally-toothed plate and an internally-toothed plate each of which is formed by adhering a friction material on a core plate and in which torque is transmitted by engaging the externally-toothed plate and the intern... | 11/02/2010 |
| 7779980 | Wet multi-plate clutch The present invention provides a wet multi-plate clutch comprising an external toothed plate formed by sticking a friction material to a core plate and an internal toothed plate formed by sticking a friction material to a core plate and designed so that torque is tr... | 08/24/2010 |
| 7770708 | Wet-type multi-plate clutch The present invention provides a wet-type multi-plate clutch comprising an external toothed plate formed by sticking a friction material onto a core plate and an internal toothed plate formed by a friction material onto a core plate and designed so that torque is tr... | 08/10/2010 |
| 7392891 | Friction plate for wet-type multiplate clutch A friction plate for a wet-type multiplate clutch provided with a core plate and friction linings fixed on opposite sides of the core plate, respectively. Each of the friction linings is formed such that at a section thereof located on a side radially inner than a r... | 07/01/2008 |
| 7367766 | Screw and nut fastening device A device for fastening two parts to each other includes fastening screws extending in aligned passages in the two parts and receiving nuts, and a removable element for preventing the screw heads from moving during tightening or loosening of the nuts on the screws, t... | 05/06/2008 |
| 7364637 | Method and apparatus for manufacturing friction plate A method for manufacturing a friction plate in which a plurality of frictional material segments are adhered to a substantially annular core plate. The method previously registers the frictional material segments to adhesion positions, and presses the core plate to ... | 04/29/2008 |
| 7320391 | Alternative pack designs for multidisk clutches A method and apparatus reduces hot spotting in transmission clutch packs actuated by a piston with axial fingers engaging the clutch pack. The method and apparatus combine an alternative pack arrangement with the fingered actuator, the alternative pack preferably be... | 01/22/2008 |
| 7318512 | Dual clutch transmission with radially nested clutches having a common disk carrier A dual clutch transmission having radially nested clutches includes an outer clutch having a plurality of first outer clutch disks, a plurality of first inner clutch disks, and a first inner support carrier, with the first inner clutch disks operatively mounted to t... | 01/15/2008 |
| 7264101 | Start-up clutch and torsional-vibration damper assembly A start-up clutch and torsional-vibration damper assembly including a disk clutch having an outer disk carrier and an inner disk carrier, and a torsional vibration damper having a primary element, a secondary element, and a spring dampening mechanism. The spring dam... | 09/04/2007 |
| 7252283 | Paper-pickup clutch of automatic paper-feeding device A paper-pickup clutch of an automatic paper-feeding device includes a clamping member and a clamping-force adjusting member and can be applied to image processors such as printers, copiers or scanners. The automatic paper-feeding device includes a shaft and a paper-... | 08/07/2007 |
| 7240413 | Process and device for producing clutch friction plate A process for producing a clutch friction plate in which a plurality of friction material segments are bonded to an annular flat face of an annular core plate so that oil channels are formed between the segments, the process including: a step of forming a plurality ... | 07/10/2007 |
| 7210565 | Torque transmission apparatus and case structure In order to make it possible to shorten an entire length, a torque transmission coupling is provided with a rotating shaft (11) and a drive pinion shaft (17) for carrying out input and output transmission of a torque, and a torque control means (125... | 05/01/2007 |
| 7204356 | Friction clutch assembly A friction clutch assembly comprises a cover mounted on a flywheel of a driving shaft. A pressure plate has a contact surface for receiving a driving force from the driving shaft that is axially moveable between an engaged position and a disengaged position. A sprin... | 04/17/2007 |
| 7204357 | High performance clutch pack assembly for powerglide transmission A high performance clutch pack for use in the high gear clutch of a POWERGLIDE transmission is disclosed. The present clutch pack is disposed in a modified clutch drum including fluid exhaust vents to reduce piston drag and weight reduction features for accommodatin... | 04/17/2007 |
| 7191885 | Clutch linings comprising fiber-reinforced ceramic materials In a friction pairing for clutch systems of two materials and processes for producing the pairing, one of the materials is a fiber-reinforced ceramic or metallic material A reinforced by carbon or ceramic fibers or whiskers. Material B acting against the material A ... | 03/20/2007 |
| 7178375 | Apparatus and method for stamping and deburring clutch discs Stamped and deburred clutch discs (20a, 20b) are provided by progressive stamping apparatus (46) whose method of use performs a two step stamping of the clutch disc blank and a third deburring stamping step that removes burrs on op... | 02/20/2007 |
| 7165664 | Wet-type segmented friction material and its manufacturing method A wet-type segmented friction material has a tape-like friction material substrate which is passed through and pressed between a roller having a dent at a center and a flat roller. At the same time, the friction material substrate is heated from an inside and an out... | 01/23/2007 |
| 7143882 | Disk for a force transmitting aggregate Disk (1, 11) for a force transmitting aggregate, in particular for wet disk clutch, with a core plate (2, 12) exhibiting a front side (V) and a backside (R), wherein the front side (V) and/or the backside (R) exhibits a friction lining (3v, | 12/05/2006 |
| 7104377 | Clutch for transmission of power The present invention relates to a clutch for transmission power. The clutch for transmission power according to the present invention includes flywheel, clutch cover and clutch disk assembly positioning between the flywheel and the clutch cover; moreover, the clutc... | 09/12/2006 |
| 7096561 | Separator plate for wet-type multiplate clutch and wet-type multiplate clutch provided with such separator plates A separator plate useful in a wet-type multiplate clutch is provided on a friction surface thereof with elongated asperities extending with regularity in a predetermined direction. Peak portions of the elongated asperities, said peak portions being to project toward... | 08/29/2006 |
| 7082855 | Dual-mass flywheel A dual-mass flywheel includes a primary-side first sheet-metal shaped part configured to be fastened centrically with respect to an axis of rotation. The primary-side first sheet-metal shaped part contributes to a primary mass. A secondary-side second sheet-metal sh... | 08/01/2006 |
| 7059459 | Multiple disc clutch apparatus A multiple disc clutch apparatus, comprises a plurality of externally splined annular friction plates, to one side surface only of each externally splined annular friction plate being fixed a friction material, and each externally splined annular friction plate bein... | 06/13/2006 |
| 7044283 | Dry multiple-disk clutch A dry multiple-disk clutch for transmitting power from the crankshaft of a motorcycle to a transmission input shaft and cutting off power transmission includes an outer clutch member interlocked with the crankshaft so as to be driven for rotation, a plurality of dri... | 05/16/2006 |
| 7040471 | Sandwich composite clutch friction member with dual-directional moduli of elasticity A friction member for engagement in a torque-transmitting mechanism includes an outer layer comprising a first material. The outer layer has a friction surface for sliding contact with an opposing reaction member in the torque-transmitting mechanism. An inner layer ... | 05/09/2006 |
| 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 |
| 7007783 | Axially fixed and adjustable drive plate A disk carrier assembly for a multi-disk clutch includes a drive plate having a plurality of radially extending load teeth and a plurality of radially extending bearing teeth alternately disposed about the circumference of the drive plate. A disk carrier is included... | 03/07/2006 |
| 7005177 | Hard-faced friction mating member A friction mating member is fabricated by providing a surface of a base member with a hard coating having a load point displacement characteristic in which the elastic range, that is, the ratio of elastic deformation to maximum indentation depth, is at least 50% in ... | 02/28/2006 |
| 7000752 | Coated reaction plate for a clutch A reaction member adapted for engagement with a friction member in a torque-transmitting mechanism is provided. The reaction member includes a reaction member base and a coating formed on the reaction member base. The coating is characterized by a coefficient of fri... | 02/21/2006 |
| 6935480 | Automatic transmission start-up device A start-up element for an automatic transmission, comprising a start-up clutch arranged within a cover, which is flanged to a pump for the operating fluid, whereby a front pump support and gear seal are integrated in the cover. ... | 08/30/2005 |
| 6932207 | Wet multiplate clutch A wet multiplate clutch is construction of plural friction plates and plural separator plates, which are alternately arranged. Between each two friction plates arranged adjacent to each other, plural separator plates are disposed. ... | 08/23/2005 |
| 6929106 | Multiplate clutch A multiplate clutch is provided with two types of frictionally engaging elements and a piston with plural pressing raised portions formed thereon. The frictionally engaging elements of at least one type are each provided with small waves. The two types of frictional... | 08/16/2005 |
| 6920970 | High performance clutch pack for transmission A high performance clutch pack assembly for use in the high gear clutch of a Powerglide transmission is disclosed. The present clutch assembly is disposed in a modified clutch drum having weight reduction features for receiving a modified clutch pack comprising up t... | 07/26/2005 |
| 6920968 | Clutch plate, friction clutch, and coupling device A friction clutch has a plurality of iron inner clutch plates and a plurality of iron outer clutch plates. Both the clutch plates have sliding surfaces which are friction-engaged each other. A thin carbon film in a diamond form, which functions as a solid lubricant,... | 07/26/2005 |
| 6910561 | Clutch arrangement A clutch arrangement, especially for a motor vehicle, comprising a housing arrangement (12) which is filled or which can be filled with fluid, at least one first friction element (22) which can be jointly rotated with the housing arrangement (12... | 06/28/2005 |
| 6905010 | Friction clutch assembly A friction clutch assembly has a clutch housing, at least one first friction plate, which is connected in a rotationally fixed manner to the clutch housing and can be displaced in axial direction therein, and a second friction plate, which bears the clutch housing. ... | 06/14/2005 |
| 6899783 | Method of manufacturing friction plate for wet clutch In order to manufacture a friction plate for a wet clutch including a core plate and a friction member bonded to at least one of annular flat surfaces of the core plate, each friction member including friction member segments, an oil groove being provided between ad... | 05/31/2005 |
| 6892870 | Friction clutch A friction clutch, particularly for a motor vehicle, has a rotatable clutch disk which is connected to a transmission input shaft so as to be fixed with respect to rotation relative to it and which can be clamped in axially between two clutch pressure plates. The pr... | 05/17/2005 |
