| 摘要 |
<p>An improvement to lifting devices where a service cable (1) and hoist rope (2) are wound around one another, wherein the load-bearing rope (2) is wound around the cable (1) that is paid off from a cable winch (13) so that when the wound cable and rope (2) leave the device, the higher tension on the rope pulls that into an axial configuration with the service cable (1) helically coiled around it.</p> |
