发明名称 CHAIR BACK AND SEAT ADJUSTMENT
摘要 A chair having a seat and back adjustment mechanism in which a single handle is operable to hold or release both the seat and the back at selected independent angles. A bank of plates serving the seat and a bank of plates serving the back are interleaved and positioned to be compressed by the handle.
申请公布号 CA2040528(A1) 申请公布日期 1991.11.04
申请号 CA19912040528 申请日期 1991.04.16
申请人 DEGELDER, JACOB 发明人 DEGELDER, JACOB
分类号 A47C1/027;(IPC1-7):A47C3/20 主分类号 A47C1/027
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