发明名称 Hydraulic powered capstan attachment
摘要 A hydraulic capstan to pull electric or communication wire through conduit or open trenches over long distances from a stationary position. The capstan is powered by a hydraulic motor. An operator can activate the motor from inside the cab of a vehicle to turn the capstan. The rope attached to the wire is wrapped around the capstan. When the rope is pulled tight on the turning capstan, the rope comes on one side and off the other side, pulling the wire load.
申请公布号 US2003155563(A1) 申请公布日期 2003.08.21
申请号 US20030372552 申请日期 2003.02.20
申请人 STAFFORD CLARK P. 发明人 STAFFORD CLARK P.
分类号 B66D1/74;E02F3/96;E02F5/10;(IPC1-7):B66D1/00 主分类号 B66D1/74
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