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.
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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 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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