| 发明名称 |
Skewed Roller on an Excavator |
| 摘要 |
In one aspect of the invention, a trenching machine has at least one roller assembly comprising a body rotationally supported by an axle exteriorly mounted to a trenching chain or wheel. At least a portion of the body comprises a substantially conical shape.
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| 申请公布号 |
US2010107455(A1) |
申请公布日期 |
2010.05.06 |
| 申请号 |
US20090357570 |
申请日期 |
2009.01.22 |
| 申请人 |
HALL DAVID R;CANNON NEIL |
发明人 |
HALL DAVID R.;CANNON NEIL |
| 分类号 |
E02F5/06;E02F5/08;E21C25/10;F16C19/10;F16C19/24;F16C19/30;F16J15/16 |
主分类号 |
E02F5/06 |
| 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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