| 摘要 |
<p>PROBLEM TO BE SOLVED: To connect a seat back to a seat cushion by a recliner arranged at one center place in a state in which a backrest angle can be excellently adjusted without any increase in weight.SOLUTION: A recliner 4 includes a ratchet 10 and a guide 20 which are assembled to rotate relatively to each other, and a lock mechanism which is assembled in the guide 20 and engages with and disengaged from the ratchet 10 to lock and unlock the relative rotation of the ratchet 10. The ratchet 10 is run through a rod 7 cross-linked between respective side frames 3Fa of a seat cushion 3 to be connected and supported, and the guide 20 is coupled and supported by a lower panel 2Fd cross-linked between respective side frames 2Fa of a seat back 2. A cable 5A which transmits unlocking operation force to a lock mechanism has its one end side fitted to a member (a bracket 80 and a cancel link 90) which tilts together with the seat back 2, and is never misoperated even if the seat back 2 tilts.</p> |
