| 发明名称 |
Broken bolt extractor |
| 摘要 |
A broken bolt extractor is disclosed which comprises a counter clockwise cutting tip section for drilling a bore into a broken bolt, the cutting tip section being tapered, an intermediate gripping section having a gripping edge for gripping a side of the bore drilled into the broken bolt, the intermediate gripping section being tapered, and a shaft section for attachment to a tool for rotating the extractor. |
| 申请公布号 |
US9352459(B2) |
申请公布日期 |
2016.05.31 |
| 申请号 |
US201414245436 |
申请日期 |
2014.04.04 |
| 申请人 |
Thomas Marvin |
发明人 |
Thomas Marvin |
| 分类号 |
B23B51/10;B23B51/00;B25B27/18;B23B51/08 |
主分类号 |
B23B51/10 |
| 代理机构 |
|
代理人 |
Chervitz David H. |
| 主权项 |
1. A broken bolt extractor comprising:
a counter clockwise cutting tip section for drilling a bore into a broken bolt, the cutting tip section being tapered; an intermediate gripping section having a gripping edge for gripping a side of the bore drilled into the broken bolt, the intermediate gripping section being tapered; and a shaft section for attachment to a tool for rotating the extractor. |
| 地址 |
St. Louis MO US |
