|NSK-WARNER K.K. Patent applications|
|Patent application number||Title||Published|
|20130056326||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 an inner peripheral edge of the friction plate and an end terminating at a point between the inner peripheral edge and an outer peripheral edge, and a second oil groove having an opening portion opened to the outer peripheral edge of the friction plate and an end terminating at a point between the inner peripheral edge and the outer peripheral edge.||03-07-2013|
|20110013835||CONTACT AREA MEASUREMENT DEVICE AND METHOD FOR MEASURING CONTACT AREA - A novel contact area measuring apparatus is provided. The contact area measuring apparatus includes a light transmissive substrate||01-20-2011|
|20100314211||ROLLER-TYPE ONE-WAY CLUTCH - A roller-type one-way clutch includes an outer race with a pocket with a cam surface formed on an inner surface, an inner race separated to the radial inside diameter side with respect to the outer race, disposed concentrically and relatively rotatable, and having an annular outer peripheral raceway surface, a plurality of rollers disposed on the pocket, engaged in the cam surface, and transmitting torque between the outer race and the inner race, a cage provided with a cylindrical part and a window provided in the cylindrical part, holding the plurality of rollers, and having a circumferential width which is smaller than the roller diameter, and a spring provided on the pocket, one end of which is latched to the outer race, the other end of which has roller movement preventive means for preventing the movement of the rollers in the axial direction, and which energizes the rollers in the engagement direction with the cam surface, wherein the cage has cage movement preventive means for preventing the cage from dropping off in the axial direction toward the opposite side to the other end of the spring in the axial direction.||12-16-2010|
|20080254697||WET TYPE FRICTION MEMBER AND MANUFACTURING METHOD FOR THE SAME - A friction plate||10-16-2008|
Patent applications by NSK-WARNER K.K.