发明名称 METHOD AND SYSTEM OF AN EXTENSION POLE
摘要 An extension pole. At least some of the illustrative embodiments include a first tubular member telescoped within a second tubular member. A first locking system is disposed within the internal volume of the first tubular member, and a second locking system is disposed at least partially on an outside diameter of the second tubular member.
申请公布号 US2012155950(A1) 申请公布日期 2012.06.21
申请号 US20100969799 申请日期 2010.12.16
申请人 DONOHUE JAMES K. 发明人 DONOHUE JAMES K.
分类号 F16B7/14;F16D1/02 主分类号 F16B7/14
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