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| Number | Title | Issue Date |
| 8157075 | Wet friction material Provided is a wet friction material that includes a ring shaped flat metal core and a plurality of segment-type friction material substrates joined onto one or both of surfaces of the ring shaped flat metal core with an adhesive and spaced apart along an entire circ... | 04/17/2012 |
| 7984801 | Friction plate for wet multi-plate clutch In a friction plate 40, segment pieces 42 of a friction material are bonded onto a core plate 40 at intervals in a circumferential direction. 43 denotes a spline tooth. On each segment piece, there are formed a first oil groove which is m... | 07/26/2011 |
| 7980375 | Friction plate for wet-type multiplate clutch A friction plate for a wet-type multiplate clutch is provided with a core plate and friction linings bonded on opposite sides of the core plate, respectively. Each of the friction linings is composed of plural segment pieces each having at least one first oil groove... | 07/19/2011 |
| 7721865 | Segment-type friction material A segment-type friction material has blocks each composed of four segment pieces. Five blocks are stuck by adhesion to a core metal 2 along an entire circumference thereof so as to constitute one surface of the segment-type friction material. Gaps are provide... | 05/25/2010 |
| 7677377 | Multimembered core plate A core plate is provided including a plurality of stamped metal semi-trapezoidal members formed from a linear portion of planar stock material. Each member has teeth along a common edge and is connected to an adjoining member by an integral cord. The members are wou... | 03/16/2010 |
| 7597180 | Friction plate for wet-type multiplate clutch A friction plate for a wet-type multiplate clutch is provided with a core plate and friction linings bonded on opposite sides of the core plate, respectively. Each of the friction linings is composed of plural segment pieces bonded at angular intervals on the corres... | 10/06/2009 |
| 7478719 | Core plate structure The invention concerns a segmented core plate for a disc. In accordance with the invention, provision is made for the core plate to be composed of multiple, especially two, segmented core plate discs, wherein segments of adjacent core plate discs are arranged offset... | 01/20/2009 |
| 7434673 | Wet friction material In a segment-type wet friction material, an inner peripheral left corner of one segment piece and an inner peripheral right corner of another segment piece are respectively cut off at a fixed angle to a center line of an oil groove. The oil grooves have first oil gr... | 10/14/2008 |
| 7425181 | Torque fluctuation absorbing device A torque fluctuation absorbing device includes a first rotational member which transmits a torque from a driving power source, a damping mechanism connected with an input shaft of a transmission, the damping mechanism having a pair of frictional members of approxima... | 09/16/2008 |
| 7401690 | Damped clutch plate system and method The invention seeks to minimize the vibration and noise in a clutch plate system, by damping either or both the clutch plate and pressure plate with the use of various engineered viscoelastic materials. A clutch plate assembly is provided, comprising a plate body ha... | 07/22/2008 |
| 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 |
| 7357233 | Torque converter with a lock-up clutch assembly having a floating friction disk The torque converter includes a torque input member and an impeller assembly operatively coupled with the torque input member. A turbine assembly is connected with the impeller and a lock-up clutch is interposed between the turbine assembly and the torque input memb... | 04/15/2008 |
| 7351022 | Unified multi-part head for a staked fastener A unified head for a staked fastener wherein the unified head is made from a first member in combination with a supplemental member, and the two members have at least one shared fiber. In a staking operation that forms the unified head, the operation is conducted in... | 04/01/2008 |
| 7320386 | High friction brake shoe assembly A vehicle brake shoe assembly (10) having a rigid backing plate (12) incorporating a plurality of extensions (100) which project through the brake friction material matrix (22) to the outer friction surface (24) of the brake shoe a... | 01/22/2008 |
| 7311183 | Adjustable clutch brake and method of use thereof A clutch brake device comprising two concentric ring-shaped plate sections, threadably and adjustably secured together via four screws. The screws pass through the periphery of the exterior plate and extend into depressions on the interior plate. The interior plate ... | 12/25/2007 |
| 7303055 | Method and apparatus for protecting a friction brake disc A protective lug cap assembly for protection of a lug of a friction brake disc comprises a lug cap, and a load bearing fastening device. The disc has a periphery, with a plurality of circumferentially spaced slots, separating a plurality of circumferentially spaced ... | 12/04/2007 |
| 7281538 | Coupling for a rotary drive A detachable coupling on a rotary drive is provided with first and second coupling surfaces (14, 17) arranged opposite each other. The coupling parts can be assembled without observing a preferential position. The first coupling surface (14) has a plur... | 10/16/2007 |
| 7264102 | Clutch driven disc with wave washer A driven disc is provided that includes a hub assembly having an axis of rotation and a hub having at least one of a first radially extending projection and a first recess. The driven disc also includes a disc assembly having a disc plate rotatable relative to the h... | 09/04/2007 |
| 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 |
| 7237664 | Power transmitting apparatus A power transmitting apparatus, which can simultaneously achieve radial size reduction and improve strength of the driving clutch plate, has a clutch housing (2) and a plurality of driving clutch plates (6) each having projections (6a) pr... | 07/03/2007 |
| 7234580 | Method for optimizing groove structure of friction plate of wet type friction engagement apparatus The object of the present invention is to provide an optimizing method for a groove structure of a friction disk of a wet-type friction engaging element, which can reduce drag torque by increasing outgoing flow of lubricating oil on the friction surface and increasi... | 06/26/2007 |
| 7228946 | Brake disc for a disc brake The invention relates to a brake disk for a disk brake, in particular for utility vehicles. Said brake disk comprises two spaced friction rings, which are linked to each other forming an air space and is linked to a wheel hub and/or axle in a rotationally fixed mann... | 06/12/2007 |
| 7228924 | Single locking collar and sprocket hub apparatus and method An apparatus and assembly method including a sprocket hub and a locking collar for go kart vehicles and other land vehicles with drive axles is provided. The present invention eliminates the need for two locking collars on either side of the sprocket hub. The invent... | 06/12/2007 |
| 7223192 | Differential A limited slip differential is provided with a rotatable casing for receiving input from an engine, a differential gear set of a bevel gear type and a pair of clutches. The differential gear set is provided with a pinion shaft supported in and rotated with the casin... | 05/29/2007 |
| 7222701 | Backing plate with friction material retention members and method and apparatus for manufacturing same A backing plate for a friction assembly includes a body having a first surface and a second surface and a thickness defined therebetween. One or more retention members are provided on the first surface for engaging a friction material mounted thereon. Each retention... | 05/29/2007 |
| 7216750 | Clutch arrangement A clutch arrangement for a motor vehicle has a clutch housing that is filled with pumped medium in the form of fluid, a first friction element being rotatable in common with the clutch housing. Further, a second friction element is provided which is rotatable in com... | 05/15/2007 |
| 7172062 | Friction plate for wet type multiplate clutch A friction plate for a wet type multiplate clutch has a substantially ring-shaped core plate and a friction member attached to the core plate. The friction member has a surface which includes a passage formed on a surface of the friction member, the passage extendin... | 02/06/2007 |
| 7168544 | Friction facing material for use in a friction environment A facing material for a power transmission—absorption assembly is shown and described. In one embodiment, the facing material includes a plurality of first channels having a first, deep depth and a plurality of second channels having a second, shallow depth. One o... | 01/30/2007 |
| 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 |
| 7137490 | Friction-lining segment, friction lining and process for its manufacture A segmented friction lining of a friction plate for a brake; or clutch having a lock mechanism on one end and a lock counter-mechanism complementary to the lock mechanism on the other end. To ensure that the stress on the respective junction points is relieved along... | 11/21/2006 |
| 7108119 | Sintered synchronizing ring The present invention relates to a synchronizing ring comprising a tapered internal bore provided with sharp axial teeth. The synchronizing ring comprises axial grooves distributed on the tapered internal bore, each groove extending over a surface corresponding to a... | 09/19/2006 |
| 7104376 | Clutch arrangement The invention relates to a clutch arrangement, in particular for a motor vehicle, comprising a housing arrangement which is filled or can be filled with fluid, at least one first friction member which is coupled with the housing arrangement for commonly rotating, at... | 09/12/2006 |
| 7097009 | Friction material configuration and method of manufacture for brake applications The present invention provides a brake pad or shoe and method to manufacture the same. The brake pad or shoe includes a first friction material such as a non-asbestos organic material and a second friction material such a semi-metallic material. The friction materia... | 08/29/2006 |
| 7073650 | Friction plate groove pattern A plate (1) for a multiple-plate clutch has at least one friction surface (4) for transmitting a torque, in particular for a wet-running switchable multiple disk clutch. The plate (1) has at least one friction surface (4) which has groove... | 07/11/2006 |
| 7069636 | Friction facing method for use in a friction environment A facing material for a power transmission-absorption assembly is shown and described. In one embodiment, the facing material includes a plurality of first channels having a first, deep depth and a plurality of second channels having a second, shallow depth. One or ... | 07/04/2006 |
| 7065854 | Abutting clinch-joining method An in-expensive method to join metals or other materials by a slug that is compressed or clinched into a punched or machined substantially rectangular slot in two adjoining pieces. The final assembly is flat and of the same thickness as the clinched material. It cou... | 06/27/2006 |
| 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 |
