| 摘要 |
PROBLEM TO BE SOLVED: To provide a torque converter device with a lock-up clutch for suppressing or reducing the occurrence of dragging torque in releasing lock-up. SOLUTION: The torque converter device with the lock-up clutch comprises a circular disc plate mounted on an input member of a damper device connected to a transmission input shaft movably in the axial direction and having a radial extension portion between a cover member and a piston, extending via the outer periphery side of the piston to the radial direction of the transmission input shaft, and friction members arranged between the cover member and the disc plate and between the disc plate and the piston. In releasing the lock-up when the disc plate has contact with either the cover member or the piston via the friction member, the radial extension portion of the disc plate receives releasing force in the direction of canceling the contact. COPYRIGHT: (C)2004,JPO&NCIPI
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