| 发明名称 |
ANORDNING VID BERGBORRMASKINER |
| 摘要 |
A rock-drilling machine comprising three main units is disclosed. The hammer device and the rotary drive motor are separately mounted on the slide, which incorporates a power transmission between the rotary drive motor and the drill-sleeve. |
| 申请公布号 |
SE368055(C) |
申请公布日期 |
1981.04.02 |
| 申请号 |
SE19720003040 |
申请日期 |
1972.03.10 |
| 申请人 |
* ATLAS COPCO AB |
发明人 |
H H * AHLGREN;B * ZETTERGREN |
| 分类号 |
E21B6/00;E21B6/02;E21B7/02;E21B17/03 |
主分类号 |
E21B6/00 |
| 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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