发明名称 Extractor tool
摘要 An extractor tool for manually loosening and extracting a climber's camming device from a crevice in a rock, for example. The tool includes a barrel having one or more hooks on one end and a plunger within the barrel. The tool can be attached to the handle of a camming device within a crevice and the plunger can be operated so as to cause the cams of the camming device to become retracted to thereby free the camming device from the crevice.
申请公布号 US5617767(A) 申请公布日期 1997.04.08
申请号 US19950564907 申请日期 1995.11.29
申请人 NIKODEN, JAMES 发明人 NIKODEN, JAMES
分类号 A63B29/02;B25B27/02;(IPC1-7):B25B33/00 主分类号 A63B29/02
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