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| Number | Title | Issue Date |
| 8162123 | 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 have at least one first oil groove a... | 04/24/2012 |
| 8162114 | Roller-type one-way clutch A roller-type one-way clutch includes an outer race with a pocket with a cam surface, an inner race, and a plurality of rollers disposed on the pocket, engaged in the cam surface, and transmitting torque between the outer race and the inner race. The clutch further ... | 04/24/2012 |
| 8146725 | Friction plate and wet-type multi-plate clutch having such friction plate The present invention provides a friction plate having a friction surface formed by sticking an annular friction material to a substantially annular core plate and wherein the friction surface is provided with a first oil groove having an opening portion opened to a... | 04/03/2012 |
| 8047347 | Outer retainer for one-way clutch An outer retainer includes a pair of annular portions facing each other in an axial direction and a plurality of column members connecting the annular portions. A plurality of window portions is formed by the annular portions and the column members, and an outward f... | 11/01/2011 |
| 8042671 | One-way clutch of roller type A one-way clutch of roller type comprising an outer race having pockets provided at an inner surface thereof with cam surfaces, an inner race spaced inwardly from the outer race, a plurality of rollers disposed in the pockets and adapted to transmit torque between t... | 10/25/2011 |
| 8037990 | Lubrication controlling method for starting clutch A lubrication controlling method for a starting clutch including a wet type multi-plate clutch disposed between a transmission and an engine of a vehicle and adapted to transmit a power, the method including always supplying lubricant oil during an operation of the ... | 10/18/2011 |
| 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 |
| 8037986 | One-way clutch of roller type for use in starter for motor bike A one-way clutch of roller type comprises an outer race having pockets provided at their inner faces with cam surfaces, an inner race spaced inwardly from the outer race in a radial direction and rotatably disposed in concentric with the outer race and having an ann... | 10/18/2011 |
| 8002096 | One-way clutch of roller type The present invention provides a one-way clutch comprising an outer race, an inner race, a roller adapted to transmit torque between the outer race and the inner race, a cage having a window for holding the roller, a spring disposed in the pocket between the outer r... | 08/23/2011 |
| 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 |
| 7958984 | Friction plate for wet-type multiplate clutch A friction plate for a wet-type multiplate clutch can include a core plate and friction linings bonded on opposite sides of the core plate, respectively. Each of the friction linings can include plural segment pieces bonded at angular intervals on a corresponding op... | 06/14/2011 |
| 7909151 | Lock-up clutch mechanism The present invention provides a lock-up clutch mechanism for a torque converter, comprising a lock-up piston and a front cover having an engagement surface capable of being engaged with the lock-up piston and in which a friction material is stuck to wither one of t... | 03/22/2011 |
| 7846290 | 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 ... | 12/07/2010 |
| 7849989 | One-way clutch A one-way clutch is provided with an outer ring having a cylindrical wall on an inner circumference thereof, an inner ring having cam surfaces formed thereon, rolling elements arranged between the outer and inner rings to perform transmission of a torque between the... | 12/14/2010 |
| 7823714 | 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... | 11/02/2010 |
| 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 |
| 7815027 | Lock-up clutch mechanism The present invention provides a lock-up clutch mechanism for a torque converter, comprising a lock-up piston and a front cover opposed to the lock-up piston and wherein a friction material having a friction surface is secured to one of the lock-up piston and the fr... | 10/19/2010 |
| 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 |
| 7766141 | Outer retainer for one-way clutch An outer retainer for a one-way clutch has a cylindrical portion and a flange portion extending radially outward from an axial end of the cylindrical portion. The flange portion has three or more arc-shaped major parts disposed circumferentially and arc-shaped minor... | 08/03/2010 |
| 7757827 | Lockup clutch A lockup clutch for a torque converter is provided with a friction lining. The friction lining is divided into a radially-outer-side friction lining and a radially-inner-side friction lining. μ-ν characteristics of the radially-outer-side friction lining have a po... | 07/20/2010 |
| 7740118 | Roller-type one-way clutch The present invention provides, a roller-type one-way clutch comprising an annular outer race provided at its inner periphery with a cam surface, an inner race spaced apart from the outer race in a radially inner diameter side and disposed in coaxial with the outer ... | 06/22/2010 |
| 7731005 | Lock-up clutch mechanism for torque converter The present invention provides a lock-up clutch mechanism for a torque converter, in which a plurality of friction materials are arranged concentrically in a radial direction and adjacent friction materials are integrally connected to each other. ... | 06/08/2010 |
| 7726449 | Damper assembly with torque limiter An airtight damper, an input axis, and a flywheel are mounted to the input axis with a bolt. A torque transmitter, a torque transmitter attachment unit of the flywheel, and a support plate are united with each other using a bolt. The torque transmitter includes a sp... | 06/01/2010 |
| 7650977 | Friction plate for wet-type multi-plate clutch The present invention provides a friction plate for a wet-type multi-plate clutch, to which a wet-type friction material is secured and in which there are provided an oil passage communicated with inner and outer peripheral edges, an oil groove opened toward the inn... | 01/26/2010 |
| 7641033 | Wet type multi-plate clutch The present invention provides a wet type multi-plate clutch comprising a first friction engaging element coaxially arranged within a clutch housing, a second friction engaging element alternately disposed with the first friction engaging element and a piston for ap... | 01/05/2010 |
| 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 |
| 7584831 | One-way clutch According to the present invention, in a one-way clutch used under an environment where lubricating oil including organic molybdenum exists, at least a part of at least one of a plurality of engaging members constituting the one-way clutch is subjected to surface tr... | 09/08/2009 |
| 7571792 | Brake band The present invention provides a brake band in which brackets are joined to both ends of a curved strap and a friction material is fixed to an inner side of the curved strap and wherein a dynamic pressure generating groove is formed in the friction material only at ... | 08/11/2009 |
| 7562756 | Clutch drum and method for manufacturing such clutch drum A clutch drum for a multi-plate clutch in an automatic transmission is provided at an inner periphery thereof with splines by which friction plates are engaged. Each of the splines has a tooth tip having two circumferential ends. Only one of the circumferential ends... | 07/21/2009 |
| 7546913 | Lock-up clutch mechanism The present invention provides a lock-up clutch mechanism for a torque converter, comprising a lock-up clutch to which a friction material having a friction surface is secured and a front cover having an engagement surface with which the friction surface is engaged ... | 06/16/2009 |
| D586832 | One-way clutch | 02/17/2009 |
| 7484606 | One-way clutch and sprag for the one-way clutch A one-way clutch comprising an inner race and an outer race radially spaced apart from each other and concentrically disposed for rotation relative to each other, and a spray disposed between the inner race and the outer race for transmitting torque is characterized... | 02/03/2009 |
| 7481306 | Wet-type multiplate clutch A wet-type multiplate clutch has an outer circumferential drum section, an inner circumferential hub, a pressing member, and a clutch engagement unit composed of plural friction plates and separator plates alternately arranged between the drum section and the hub. O... | 01/27/2009 |
| 7481305 | Lock-up mechanism for torque converter A lock-up mechanism for a torque converter comprising a lock-up clutch secured thereto with a friction liner having a friction surface, and a front cover having an engaging surface adapted to be engaged with the friction surface, is wherein either the friction surfa... | 01/27/2009 |
| D582450 | One-way clutch | 12/09/2008 |
| 7448480 | One-way clutch A one-way clutch, for example, of a sprag or cam design is provided with a cage arranged between an outer ring and an inner ring. The cage has a flange portion extending outwardly in a radial direction. A slit is arranged at a location on a circle of the cage such t... | 11/11/2008 |
| 7426986 | One-way clutch of package type A one-way clutch of package type which includes a one-way clutch comprising an inner race, an outer race and a torque transferring member for transferring torque between the inner race and the outer race and in which a bearing is integrally incorporated between the ... | 09/23/2008 |
| 7401585 | Starter apparatus for vehicle In a vehicle starter apparatus incorporating therein a starting motor and a one-way clutch, a damper for mitigating vibration of an engine is disposed at a position between the one-way clutch and the engine, and at the same time, between the engine and a transmissio... | 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 |
