| 摘要 |
PURPOSE: A height variable chair is provided to adjust the height of chair conveniently by a simple operation by placing a second seat plate and a first seat plate in the upper direction of the chair according to needs. CONSTITUTION: A height variable chair includes: a seat portion(200); a frame which supports the seat portion; and a back supporting plate which is fixed to the seat portion vertically. The seat portion can control the height after being hinge-coupled to the frame. The frame includes: a front support stand which supports the front part of the chair; a rear support stand which supports the rear part of the chair; and a whole support stand which is formed between the front and rear support frames.
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