发明名称 CHAIR CONTROL AND SUPPORT
摘要 An improved tilt control and support mechanism for a chair seat assembly utilizing a simplified sturdy construction wherein a single plate-like element functions to support the seat assembly and, in cooperation with an adjustable compression spring, yieldably restrains the tilt movement of the chair seat in a uniform and controlled manner to permit the occupant to bring the chair seat to a comfortable tilted rest position and return it to a substantially horizontal position.
申请公布号 US3656805(A) 申请公布日期 1972.04.18
申请号 USD3656805 申请日期 1969.09.15
申请人 INTERROYAL CORP. 发明人 CARL J. ENGSTROM
分类号 A47C3/026;(IPC1-7):A47C3/00 主分类号 A47C3/026
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