| 摘要 |
<p>PROBLEM TO BE SOLVED: To provide a back frame of a vehicle seat which inhibits vibrations of a headrest during normal time while securing seating person's head support capability in a collision.SOLUTION: A headrest 50 may be attached to a back frame 31 of a vehicle seat, and the back frame 31 of the vehicle seat includes: an upper side portion 32a; a reinforcement member 35 provided below the upper side portion 32a so as to be arranged parallel to the upper side portion 32a; and a holder member 36 for attaching the headrest 50. The holder member 36 is disposed so as to span between the upper side portion 32a and the reinforcement member 35. A lower part of the holder member 36 is attached to the reinforcement member 35 through rubber cushions 61, 62. An upper part of the holder member 36 is located at the upper side portion 32a and disposed at the inner side of a cylindrical restriction member 37 which restricts tilting of the headrest 50 in a fore and aft direction.</p> |
