| 发明名称 |
DRILLING UNIT WITH AUTOMATIC DRILL SHAFT FEEDING, AND METHOD AND MEANS THERETO |
| 摘要 |
A drilling unit with automatic drill shaft feeding is provided. The feeding velocity can be changed by external mounting of exchangeable gearing cassettes having a desired gear ratio.
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| 申请公布号 |
US2011236144(A1) |
申请公布日期 |
2011.09.29 |
| 申请号 |
US200913127292 |
申请日期 |
2009.11.04 |
| 申请人 |
ATLAS COPCO TOOLS AB |
发明人 |
ERIKSSON ULF MIKAEL;JACOBSSON WILHELM MATTIAS |
| 分类号 |
B23Q5/48;B23B39/00 |
主分类号 |
B23Q5/48 |
| 代理机构 |
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代理人 |
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| 主权项 |
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| 地址 |
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