发明名称 Hanging device for tool
摘要 There is disclosed a hanging device including a hanger, a stationary connector, a rotational connector, and a tool-connecting element. The rotational connector is connected to a first portion of the tool-connecting element. A tool can be connected to an opposite second portion of the tool-connecting element. When the second portion is separated from the first portion of the tool-connecting element, the second portion and the tool can be rotated relative to the rotational connector. Thus, the tool can be removed from the second portion of the tool-connecting element.
申请公布号 US2007034771(A1) 申请公布日期 2007.02.15
申请号 US20050201995 申请日期 2005.08.11
申请人 LIU YUNG Y 发明人 LIU YUNG Y.
分类号 E21B23/00 主分类号 E21B23/00
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