发明名称 Wrench with curved handle
摘要 A wrench includes a curved handle including a bent portion located between two ends of the curved handle. Two sockets are connected to two ends of the curved handle and one of the socket includes a passage defined axially therethrough and the passage communicates with an opening defined through the bent portion so as to reduce concentration of stress at the bent portion.
申请公布号 US2009078092(A1) 申请公布日期 2009.03.26
申请号 US20070902542 申请日期 2007.09.24
申请人 HSIEH CHIH-CHING 发明人 HSIEH CHIH-CHING
分类号 B25B13/06 主分类号 B25B13/06
代理机构 代理人
主权项
地址