Ring sheave
US7431269B2 · kind B2 · utility
12Cited by
12References
25Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Sep 14, 2007 |
| Grant date | Oct 7, 2008 |
| Priority date | — |
| Expiry date | Sep 14, 2027 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB66D3/04
- WIPO fieldHandling
- WIPO sectorMechanical engineering
Abstract
The present invention is a sheave assembly that includes a ring supported by a support assembly instead of a solid sheave wheel supported by a central axle. The support assembly may include a plurality of rollers or a curved shoe. The ring is made of a lubricated plastic material or other similar material. The ring includes a groove for retaining the wireline or cable and an inner surface that is designed to mate with the outer surface support assembly.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.