| 发明名称 |
METHOD AND DEVICE FOR DAMPING THE RECOIL OF A WORK TOOL CONNECTED TO A ROCK DRILLING MACHINE |
| 摘要 |
<p>T I T L E METHOD AND DEVICE FOR DAMPING THE RECOIL OF A WORK TOOL CONNECTED TO A ROCK DRILLING MACHINE A recoil damping device for a percussive tool comprises a retard piston which is movable in a cushioning chamber. The feeding force and/or the pressure in the supply passage to the cushioning chamber is regulated so that the retard piston is axially free relative to the machine housing.</p> |
| 申请公布号 |
CA1040943(A) |
申请公布日期 |
1978.10.24 |
| 申请号 |
CA19760248100 |
申请日期 |
1976.03.17 |
| 申请人 |
ATLAS COPCO AKTIEBOLAG |
发明人 |
ANDERSSON, KURT H.;EKWALL, CARL G. B.;FORSBERG, BO E. |
| 分类号 |
B25D17/08;B25D17/24;E21B1/38;(IPC1-7):25D9/04 |
主分类号 |
B25D17/08 |
| 代理机构 |
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代理人 |
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| 地址 |
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