发明名称 Hand wrench torque enhancing device
摘要 An extension device for wrenches includes an extension member with a wedge brace comprised of two counterpoised wedge couplers. The wedge couplers comprise wedge fingers defining offset opposed wedge slots such that the wedge couplers engage opposite sides of a tool handle in a counterpoised manner to wedge-lock a tool handle into place.
申请公布号 US6308596(B1) 申请公布日期 2001.10.30
申请号 US19980116076 申请日期 1998.07.15
申请人 WILLIAMS ELDEN 发明人 WILLIAMS ELDEN
分类号 B25G1/04;(IPC1-7):B25B23/16 主分类号 B25G1/04
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