| 摘要 |
PROBLEM TO BE SOLVED: To enable to twist the human body in an attached state to the back on a reclining seat back. SOLUTION: In the reclining seat chair, each end portion 72a, 72a of the wire rod which forms the coil spring 7, 7 for energizing the seat portion 5 from the easy chair position to the working position (the figure shows only one side of coil spring 7) is also utilized as a supporting arm for supporting the right and left side of the reclining seat back 6.
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