| 发明名称 |
Cable logging system and operating method |
| 摘要 |
A cable logging system is provided that operates at ground level and is arranged for working progressively from a base station to allow effective yarding of trees or logs as they are harvested. The system is designed for operation at particular advantage in swampland.
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| 申请公布号 |
US3911982(A) |
申请公布日期 |
1975.10.14 |
| 申请号 |
US19740473807 |
申请日期 |
1974.05.28 |
| 申请人 |
ERVIN, EVANDER M.;DARGAN, ERVIN E. |
发明人 |
ERVIN, EVANDER M.;DARGAN, ERVIN E. |
| 分类号 |
A01G23/00;(IPC1-7):B27M1/08;B27C9/00 |
主分类号 |
A01G23/00 |
| 代理机构 |
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