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.
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
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