| 摘要 |
PURPOSE:To reduce the size of the multiple plate clutch of an engine in the caption, by installing a multi-plate clutch and a directly engaging clutch in parallel to each other between a transmission and a differential gear of rear wheel side or front wheel side, and operating said directly engaging clutch toward engaging direction when high transmission engaging torque is needed. CONSTITUTION:In a clutch 30 installed on a revolutional power transmitting shaft, its clutch case 40 bears input and output shafts 31, 32 to rotate freely, and, between said shafts 31, 32, a multi-plate clutch 43 and directly engaging clutch 44 are installed in parallel to each other. Said multi-plate clutch 43 is constructed with clutch plates 46, 48, which are installed between cylindrical parts 45, 47, and a piston 49, which is inserted in a cylinder chamber 56. While said directly engaging clutch 44 is constructed with a piston body 51, which is provided with outer teeth 52 and spline-fitted on said input shaft 31, said outer teeth 52 being able to engage or disengage with inner teeth 53 formed on said output shaft 32 at will. Said directly engaging clutch 44 is controlled so as to engage directly when high transmitting torque is needed.
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