| 摘要 |
The purpose of the present invention is to provide a head rest that is more comfortable for the occupant's head and which is more pleasant when the occupant sits down in a vehicle seat. This head rest (1) is provided with a fixed member (4) which is disposed on a seat back (10) with head rest pillars (2a, 2b) interposed therebetween, a movable member (5) which can move in the direction forwards away from or backwards returning towards the fixed member (4), and an X-link mechanism which links the fixed member (4) and the movable member (5) and which has an inside link (6) and an outside link (7) rotatably connected through a cross connection unit (8) in the center. The movable member (5) has a concave portion (30) which is positioned in the center of said movable-side member (5) in the horizontal width direction and is formed to curve concavely towards the rear. |
