| 摘要 |
<p>PROBLEM TO BE SOLVED: To provide a seat back connection structure which prevents a seat back from being opened when receiving an impact load toward the vehicle front side and can facilitate assembling.SOLUTION: A seat back connection structure 100 includes separate first and second seat backs 102, 104 adjacent to the vehicle width direction and a center hinge 106 which is fastened to a rear floor panel 108 and connects two separate seat backs freely rotatably at a boundary 110 of the first and second seat backs, and a long-sized fastening pin 136 which is fastened to a lateral wall 140 facing the boundary of the first seat back, is projected in the vehicle width direction toward the second seat back, is inserted to a first wall surface 144 of the second seat back via a hinge and is formed of a restraint groove 162 and a restraint bracket 138 which is fastened to the second seat back, approaches from the direction vertical to the fastening pin, is engaged with the restraint groove and, thereby, is positioned with respect to both of the first and second seat backs.</p> |
