Patent ID: 7490907

Claim:
A seat for a vehicle, comprising: a cushion frame provided at each of a left side and a right side of a seat cushion for supporting the seat cushion; a seat back frame provided at each of a left side and a right side of a seat back for supporting the seat back, the seat back frame rotatable to the cushion frame; a right side reclining apparatus provided between the cushion frame of the right side of the seat cushion and the seat back frame of the right side of the seat back for adjusting a rotational position of the seat back frame; a left side reclining apparatus provided between the cushion frame of the left side of the seat cushion and the seat back frame of the left side of the seat back for adjusting the rotational position of the seat back frame; each of the right side reclining apparatus and the left side reclining apparatus including: an upper arm rotatable with the seat back frame; a lower arm to which the upper arm is rotatably attached; a lock member, the lock member of right side reclining apparatus operating in association with the lock member of the left side reclining apparatus so as to switch between a locked state, in which rotation of the upper arm relative to the lower arm is locked, and a lock-released state, in which a lock of the rotation of the upper arm relative to the lower arm is released, in a situation where the rotational position of the seat back frame is to be adjusted within a range of seating positions; a rotating member for forward-tilting attached to either one of the upper arm and the lower arm so that the rotating member for forward-tilting cannot rotate relative to either one of the upper arm and the lower arm, the rotating member for forward-tilting enabling the seat back frame to rotate relative to the cushion frame while the locked state is retained; and an engaging member which engages with/disengages from an engaging portion formed at the rotating member for forward-tilting for locking rotation of the rotating member for forward-tilting by engaging with the engaging portion; and a connecting member connecting the rotating member for forward-tilting of the right side reclining apparatus to the rotating member for forward-tilting of the left side reclining apparatus.