发明名称 Adjustable-length column for chairs or the like
摘要 An adjustable-length column for chairs or the like comprises an upright tube with a pneumatic or hydropneumatic length-adjusting element disposed therein. The latter's piston rod, in the vicinity of its free end, is flexibly snap-engaged with a bottom plate of the upright tube.
申请公布号 US6007044(A) 申请公布日期 1999.12.28
申请号 US19970988638 申请日期 1997.12.11
申请人 SUSPA COMPART AKTIENGESELLSCHAFT 发明人 HARRER, HARALD
分类号 A47C3/30;(IPC1-7):A47C1/02 主分类号 A47C3/30
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