| 摘要 |
PURPOSE: A study chair with an top plate installed in one body is provided to induce a stable sitting posture by effectively distributing the load applied to the waist region and prevent waist diseases such as scoliosis by a correct sitting posture. CONSTITUTION: A seat supporting bracket(13) is hingeably coupled to the front of a supporting frame(19) supporting a seat portion(10). A front supporting frame(14) includes a horizontal frame(14b) spaced away from the supporting frame(19) by which the seat supporting bracket(13) is supported and a bent supporting portion(14a) bent from the horizontal frame(14b) and contacted to the ground. A knee support(15) with a cushion material(15a) on a sloping section of the front supporting frame(14) is mounted to be height-adjustable. A top plate(17) mounted slopingly by a fixed frame(18) is detachably coupled to the top end of the front supporting frame(14).
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