| 摘要 |
PROBLEM TO BE SOLVED: To ensure locking operation control. SOLUTION: In this valve timing control device provided with a lock mechanism which realizes intermediate locking in a locking phase, an abutting part between a locking body 60 and an external rotor 2 is provided with a hole, a groove or a projection for reducing contact area, or the surface is knurled. COPYRIGHT: (C)2004,JPO
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