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US08465234B2 Drilling bit with the depth-limiting and angle-leading function for the carpenter's work 失效
钻头具有深度限制和角度领先的功能，用于木匠的工作

  • 专利标题： Drilling bit with the depth-limiting and angle-leading function for the carpenter's work
  • 专利标题（中）： 钻头具有深度限制和角度领先的功能，用于木匠的工作
  • 申请号： US12617706
    申请日： 2009-11-12
  • 公开(公告)号： US08465234B2
    公开(公告)日： 2013-06-18
  • 发明人: Tsai Fa Liu
  • 申请人： Tsai Fa Liu
  • 主分类号： B23B49/00
  • IPC分类号： B23B49/00
Drilling bit with the depth-limiting and angle-leading function for the carpenter's work
摘要：
A drilling bit with the depth-limiting and angle-leading function for the carpenter's work, having a covering sleeve (with a driving shaft) and a bit holder for securing a bit. A limit ring and a screw socket (with female thread) are screwable to the covering sleeve (with the male thread) for adjusting the depth of the spot-faced hole in a workpiece (to be drilled) according to the actual operation requirement.
摘要（中）：

具有用于木匠工作的深度限制和角度领先功能的钻头，具有覆盖套筒（带驱动轴）和用于固定钻头的钻头保持器。 根据实际操作要求，限位环和螺纹插座（带内螺纹）可旋转到覆盖套（带阳螺纹），用于调整工件（待钻孔）中的点孔的深度。

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