Foley & Lardner LLP
Frictional engagement structure using multiple disks
A frictional engagement structure includes a first drum arranged at the inner periphery of a transmission casing, a second drum arranged at the inner periphery of the first drum, first friction plates splined to the casing or the first drum, second friction plates splined to the second drum, the first and second friction plates being arranged alternately in the direction of an axis of rotation of the drums, a piston for pressing the first friction plates through a disk spring and ensuring coupling between the first friction plates and the second friction plates to frictionally engage the casing or the first drum with the second drum, and a spring bearing member arranged between the first friction plates and the disk spring and including a plate portion substantially parallel to the first friction plates and the outer peripheral portion arranged substantially perpendicular to the first friction plates and interposed between the disk spring and the first drum or the casing.
Jatco Ltd
F F F F F F F
F16H F16H F16D F16H F16H F16D F16D
inventional additional inventional additional inventional inventional inventional
Yasuyuki Atsumi Kazuo
Suzuki Muramoto Hata