发明名称 Wrench tool having magnet connected thereto
摘要 A wrench includes two jaws extending from an end of a handle and a hole is defined in one of the jaws. The hole communicates with a clamping surface of the jaw having the hole and a magnet is received in the hole. The magnet attracts the object that is clamped by the wrench while in use.
申请公布号 US6810774(B2) 申请公布日期 2004.11.02
申请号 US20020298531 申请日期 2002.11.19
申请人 HSIEN CHIH-CHING 发明人 HSIEN CHIH-CHING
分类号 B25B13/08;B25B23/10;B25B23/12;(IPC1-7):B25B13/02 主分类号 B25B13/08
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