发明授权
- 专利标题： Multi-purpose hand tool
- 专利标题（中）： 多用途手工具
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申请号： US905828申请日： 1992-06-29
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公开(公告)号： US5255575A公开(公告)日： 1993-10-26
- 发明人: Michael D. Williams
- 申请人： Michael D. Williams
- 专利权人： Williams Michael D
- 当前专利权人： Williams Michael D
- 主分类号： B25D1/02
- IPC分类号： B25D1/02 ; B25F1/02
摘要：
A hammer with interchangeable head and tail tool pieces where the head and tail pieces are inserted into tool voids in opposite ends of the hammer body and further having a removal pin for insertion into additional voids in the hammer body for urging the head and tail pieces out of the tool voids.