| 摘要 |
PROBLEM TO BE SOLVED: To provide a head rest support structure which can easily and adequately secure movement precision of swing of a head rest.SOLUTION: A head rest support 12, which has a hollow cylindrical shape and in which a head rest stay is inserted, is inserted into an inside of a bracket which is fixed on a seat back frame and has a hollow cylindrical shape. A projection 19, of which a tip end is a center of swing of the head rest support 12 and which is formed so as to increase a projection amount in response to insertion of the head rest stay, is arranged on an outer circumferential surface of the head rest support 12. |
