| 发明名称 |
Dragline apparatus and bucket |
| 摘要 |
A dragline apparatus has an independently controlled front hoist line and rear hoist line. The front hoist line is connected to the forward end of the bucket, and the rear hoist line is connected to the rearward end.
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| 申请公布号 |
US6550163(B2) |
申请公布日期 |
2003.04.22 |
| 申请号 |
US20020236358 |
申请日期 |
2002.09.05 |
| 申请人 |
ESCO CORPORATION |
发明人 |
BRISCOE TERRY LEE;OLLINGER, IV CHARLES GEORGE;SIMONUTTI ERMANNO |
| 分类号 |
E02F3/46;E02F3/54;E02F3/58;(IPC1-7):E02F3/48 |
主分类号 |
E02F3/46 |
| 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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