Patent ID: 9631679
Date: 2017-04-25
CPC Classifications: F16D

Claim:
1. A multiple plate clutch comprising: a main spring provided between a clutch center fixed in an axial direction and a pressure plate displaceable in the axial direction and presses a plurality of clutch plates in a clutch engagement direction; and a lifter plate for lifting the pressure plate in a clutch release direction, wherein a sub spring for urging the pressure plate in a clutch engagement direction through the lifter plate is pinched in the axial direction between the clutch center and the lifter plate, the lifter plate is lifted by a predetermined amount or more to thereby cut off urging force of the sub spring to the pressure plate, the multiple plate clutch has a clutch outer disposed at an outside of the clutch center in a radial direction, the plurality of clutch plates contain outer friction plates provided to the clutch outer and inner friction plates provided to the clutch center, the outer friction plates and the inner friction plates being alternately arranged between the clutch center and the pressure plate, the main spring is disposed at an opposite side to the lifter plate through the clutch center in the axial direction and between a hub portion of the clutch center and the pressure plate, the lifter plate is supported displaceably in the axial direction on the pressure plate, and the pressure plate is provided with a stopper plate with which the lifter plate comes into contact and which limits displacement of the lifter plate.