| 摘要 |
PROBLEM TO BE SOLVED: To provide a novel useful chair, more favorably adaptable to the motion of a seated person in an office. SOLUTION: A backrest 3 is movable in such a way that the center line m vertically crossing the center of the backrest 3 in the cross direction can be tilted to the left or right following the behavior of the seated person rising to the right or sinking to the right. COPYRIGHT: (C)2007,JPO&INPIT
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