发明名称 Electrician's hammer
摘要 An electrician's hammer that has a hammer head and a hammer handle. The rear end of the handle is notched to provide a notch which has a width transverse to the longitudinal axis of the handle hammer corresponding to the thickness of drywall. This allows electrical boxes to be easily set out a distance from the studs equal to the drywall.
申请公布号 US4813089(A) 申请公布日期 1989.03.21
申请号 US19880208460 申请日期 1988.06.20
申请人 ANDERSON, RICHARD A. 发明人 ANDERSON, RICHARD A.
分类号 B25D1/00;(IPC1-7):B25F1/00 主分类号 B25D1/00
代理机构 代理人
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