| 摘要 |
A power connection/disconnection mechanism which connects and disconnects power, including: a crutch cover having a claw portion, and a projection which a contact portion of a lever is brought into abutment with; a gear having a toothed portion which the claw portion is brought into engagement with and disengagement from, wherein a mesh engagement portion formed from the claw portion and the toothed portion has two stages for forward and backward rotations.
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