| 摘要 |
A first dog clutch member is coupled with a rotation transmitting member rotatably mounted on a power transmission shaft with a relative rotation clearance theta. A second dog clutch member is slidably mounted on the power transmission shaft to be engageable/disengageable with/from the first dog clutch member. A damper spring is interposed between the rotation transmitting member and the first dog clutch member. First dog teeth and second dog teeth, which are engaged/disengaged with/from each other by an axial displacement of the second dog clutch member, are formed in the first dog clutch member and the second dog clutch member, respectively. A chamfer is made in each end portion of the respective first dog teeth and each end portion of the respective second dog teeth, which are opposed to each other, so as to guide the second dog teeth to a position to engage with the first dog teeth.
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