Auxiliary assembly for reducing unwanted movement of a hoist rope
US7024806B2 · kind B2 · utility
11Cited by
5References
9Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jan 12, 2004 |
| Grant date | Apr 11, 2006 |
| Priority date | — |
| Expiry date | Jun 11, 2024 |
Classification
- Technology area (CPC E)Fixed Constructions
- CPC primaryE02F3/36
- WIPO fieldCivil engineering
- WIPO sectorOther fields
Abstract
An auxiliary hoist sheave assembly comprising a sheave support frame, a mechanism for mounting the sheave support frame to a boom, a lower sheave shaft mounted on the sheave support frame, and a grooved hoist sheave, rotatably supported by and slidable along the lower sheave shaft, the hoist sheave being in contact with a hoist rope, and the hoist sheave fleeting side to side along the lower sheave shaft as the hoist rope follows the hoist drum.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.