| 摘要 |
PROBLEM TO BE SOLVED: To prevent a member supporting a pressure receiver member from providing a sensation of foreign matter to a driver even if the pressure receiving member moves backly supporting the pressure receiving member that can move rearward with a link arranged rotatably in a position except the end of a bar- form member straddling horizontally the side ends of a backrest frame. SOLUTION: If a driver 30 seated in an automobile collided from behind, is pushed back by a secondary collision and a pad or the like moves rearward, the back 30a of the driver 30 pushes back the pressure receiver member 6 through the pad or the like. Even if a rearward load due to the driver 30 moves the pad or the like, the shoulder point 31 of the driver 30 is at least that due to an AFO 50% title mannequin, the pad or the like does not penetrate into an armature pipe 7. As the pressure receiver member 6 is held by a link 16, if the pressure receiver member 6 moves by pushing rearward, the link 16 rotates rearward and upward around a bar-shaped member 15.
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