| 摘要 |
PURPOSE: A chair is provided, which can vary the location of a waist support easily according to user's figure and posture. CONSTITUTION: A chair comprises: a leg part(10); a seat plate(20) which is combined with the leg part and in which seat occupant's hips are supported; a seat back(30) which is combined with the leg part and in which seat occupant's back is supported; and a waist support which is combined with the seat back in the direction of the top and bottom and in which seat occupant's waist is supported. In one among the seat back and waist support, a plurality of insertion holes are formed.
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