发明名称 Adjustable telescoping utility pole
摘要 An adjustable telescoping utility pole apparatus formed from a number of inter-received tubular members and frictional insert mechanisms. Each frictional insert mechanism has one end engaged with the inner diameter of the inner tubular member and a second end sidably engaged with the inner diameter of the outer tubular member.
申请公布号 US6045288(A) 申请公布日期 2000.04.04
申请号 US19970954024 申请日期 1997.10.20
申请人 PASTERNAK, M. RANDALL 发明人 PASTERNAK, M. RANDALL;BENDA, STEVEN J.
分类号 F16B7/14;(IPC1-7):F16B2/04 主分类号 F16B7/14
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