| 摘要 |
PROBLEM TO BE SOLVED: To provide a chair, enabling a user to take the optimum seated posture without being conscious of it in particular. SOLUTION: The chair includes a backrest part 102 and a seat surface part 101. The chair includes a linkage means to decrease the angle between the seat surface part 101 and the backrest part 102 when a force for pushing the seat surface part 101 is applied. COPYRIGHT: (C)2011,JPO&INPIT
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