| 发明名称 |
ANORDNING VID BERGBORRMASKIN |
| 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 |
FI59288(C) |
申请公布日期 |
1983.04.25 |
| 申请号 |
FI19730000687 |
申请日期 |
1973.03.06 |
| 申请人 |
ATLAS COPCO AB |
发明人 |
ZETTERGREN BIRGER;AHLGREN HANS HJALMAR |
| 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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