| 摘要 |
PURPOSE: Provided is a chair mount which lets both support axes for a sitting board and a back support compensate movement of distribution weight each other so that it helps to minimize load when users change their pose in sitting. CONSTITUTION: The chair mount comprises the parts of: a main pipe(12) which is supported at a grounding support body(11) to be rotated, with keeping height; a main support(13) which supports a sitting board(15) on the top of the main pipe; a back support(34) which is supported by a support axis of the main support; an axis support for the sitting board and a back support which are respectively set at both front and rear edges of the main support; a horizontal axis for the sitting board(14) which supports the sitting board by elastic power and adjusts elastic adjusting power of the sitting board; and a horizontal axis for back support(36) which supports the back support elastically and adjusts elastic support power of the back support.
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