发明申请
- 专利标题： Hole cutter having detachable hole-sawing blade
- 专利标题（中）： 孔切割机具有可拆卸的孔锯刀片
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申请号： US11401325申请日： 2006-04-11
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公开(公告)号： US20070160435A1公开(公告)日： 2007-07-12
- 发明人: Walley Chao
- 申请人： Walley Chao
- 优先权： TW95200667 20060111
- 主分类号： B23B39/00
- IPC分类号： B23B39/00 ; B23B51/04
摘要：
A hole cutter includes a shaft connectable to a rotary driving tool, a ball mounted in a locating hole of the shaft, a detachable hole-sawing blade assembly detachably inserted into a bottom open chamber of the shaft, a socket supported on a spring member provided at the shaft to force the ball to lock the detachable hole-sawing blade assembly, and a drill bit inserted through the detachable hole-sawing blade assembly into the inside of the shaft and locked by a screw rod.
信息查询
