| 发明名称 |
DEVICE IN IMPACT MACHINES |
| 摘要 |
Device in impact machines. The device comprises a number of rods (6) provided with projections (51). The rods are journalled in a surrounding set of tubes (7) by means of elastic bushings (52,53) which are provided with grooves (57) though which said projections can be passed. |
| 申请公布号 |
ZA9000827(B) |
申请公布日期 |
1992.02.26 |
| 申请号 |
ZA19900000827 |
申请日期 |
1990.02.05 |
| 申请人 |
ATLAS COPCO MCT AB. |
发明人 |
JOERGEN ALF ROBERT RODERT |
| 分类号 |
E21B4/02;E21B3/00;E21B6/02;E21B7/20;E21B17/00;E21B17/10;E21B21/00;E21B21/10 |
主分类号 |
E21B4/02 |
| 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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