| 摘要 |
PROBLEM TO BE SOLVED: To provide a torque converter which is suppressed in deterioration when fastening a lock-up clutch thereto. SOLUTION: A contact portion 11 of the lock-up clutch 10 is formed in a circular arc shape. A protruded portion 9 in a circular arc shape is formed on a torque converter casing 2 facing the contact portion 11. COPYRIGHT: (C)2008,JPO&INPIT
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