| 摘要 |
PURPOSE: A seat back corresponding to the human body posture is provided to enhance the mental ability of a user by giving a comfort to the body of the user. CONSTITUTION: A seat back corresponding to the human body posture is constituted as follows. A seat back cushion(1) is assembled to a seat back skeleton(2). A stopper(4) can be bent forward and backward. The seat back skeleton is inserted into a mover which moves along a guide rail and an assistant rail. The height of the seat back is controlled. A stop screw is installed in one side of the mover and fixes the seat back skeleton to a desired height.
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