| 发明名称 |
Eccentrically driven percussive tools for treating materials |
| 摘要 |
An apparatus for treating rock, minerals or similar materials includes at least two tool-bearing sleeves supported by bearings. The tool-bearing sleeves are arranged in eccentric relationship to a common drive shaft. The tool-bearing sleeves are counterbalanced with reference to respective counterweights.
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| 申请公布号 |
US5685615(A) |
申请公布日期 |
1997.11.11 |
| 申请号 |
US19960587508 |
申请日期 |
1996.01.17 |
| 申请人 |
BECHEM, KLAUS;BECHEM, ULRICH;BECHEM, PHILIP |
发明人 |
BECHEM, KLAUS;BECHEM, ULRICH;BECHEM, PHILIP |
| 分类号 |
B23Q11/00;E21B6/00;E21B10/08;E21C25/10;(IPC1-7):E21B10/08;E21C25/08 |
主分类号 |
B23Q11/00 |
| 代理机构 |
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代理人 |
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| 主权项 |
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