| 摘要 |
PROBLEM TO BE SOLVED: To improve strength and easily dispose a sheet member. SOLUTION: A disc 12 disposed in a hub includes an inner peripheral side part 12h, an outer peripheral side part 12g which is offset to the flange side of the hub with respect to the inner peripheral side part and to which the end of a connecting pin is connected, and a cone-like part 12m integrally connecting the inner peripheral side part and the outer peripheral side part, and a pair of torque delivery surfaces 12a, 12b, 12d, 12e for delivering torque to an elastic member. Further, the outer peripheral side part 12g of each disc 12 includes buldged parts 12c, 12f buldged in the axial direction of the damper disc assembly and in the direction of separating from the flange of the hub. Both end reinforcement parts 12i in the circumferential direction of the damper disc assembly of the buldged parts 12c, 12f are integrally connected to the outside diameter part of the inner peripheral side part 12h and the cone-like part 12m to form the torque delivery surfaces of the outer peripheral side part 12g and the cone- like part 12m among the torque delivery surfaces of the inner peripheral side part 12h, the outer peripheral side part 12g and the cone-like part 12m.
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