发明名称 |
Pole lifting apparatus |
摘要 |
Apparatus for lifting electric line poles is disclosed which also enables a ground rod or stake to be driven into the ground next to such a pole. There is provided a telescopic mast having a hoist with a rope run over pulleys to a lifting hook and attached at the upper end of the mast. For driving in ground rods or stakes a carriage mounted for movement along the mast is used which can be attached to the lifting hook and can secure an air hammer.
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申请公布号 |
US4620693(A) |
申请公布日期 |
1986.11.04 |
申请号 |
US19840632591 |
申请日期 |
1984.07.19 |
申请人 |
ELECTRICITE DE FRANCE |
发明人 |
VIALARS, JACQUES;ROSSIGNOL, ALAIN;VIDAL, ANDRE;SARRADE, LIONEL |
分类号 |
E02D9/02;B66D1/60;E04H12/34;(IPC1-7):B66D3/00 |
主分类号 |
E02D9/02 |
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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