| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a reclining device having large locking strength and less backlash. <P>SOLUTION: The reclining device is formed of a pair of first poles (main poles) 41 disposed at diagonal positions and at least one second pole (sub pole) 43. A first cam (cam unit) 31 moves poles to locking positions, and when external teeth 41a of the first pole 41 and an internal teeth 23 of a ratchet (first member) 21 are engaged without play, external teeth 43a of the second pole 43 and the internal teeth 23 of the ratchet 21 are engaged with play. <P>COPYRIGHT: (C)2012,JPO&INPIT |
