| 发明名称 |
Rotary boring tool alignment and depth indication system |
| 摘要 |
A system for a rotary boring tool that enables a user of the tool to align the tool perpendicularly with respect to a work surface of a work piece. In one embodiment the system enables a user to gauge distance or depth drilled into the work piece.
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| 申请公布号 |
US7992311(B2) |
申请公布日期 |
2011.08.09 |
| 申请号 |
US20090426191 |
申请日期 |
2009.04.17 |
| 申请人 |
CERWIN JOHN |
发明人 |
CERWIN JOHN |
| 分类号 |
G01B11/27;B23B49/00;G01B11/00 |
主分类号 |
G01B11/27 |
| 代理机构 |
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代理人 |
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| 主权项 |
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