| 摘要 |
PURPOSE: A coupling chair is provided to improve product reliability by preventing separation of a spring. CONSTITUTION: The coupling chair includes a coupling frame; a curvature portion; a bracket; a rotation control damper; and a housing. In the coupling frame(112), a straight line extension part is included in both ends of the curvature portion. In order to be combined and fixed in a support frame member(111) of an open '�� typed supporting member, the central part is curved. In the bracket, a fastening hole is formed in order that a spring of the rotation control damper is combined as a fixed member. The spring(123) includes a spring(123) restoring a rotated supporting member(110) which is combined with a control hole and the fastening hole of the bracket. The housing spins a guide hole of the supporting member.
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