Winch clutch
US4379502A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Dec 22, 1980 |
| Grant date | Apr 12, 1983 |
| Priority date | — |
| Expiry date | Dec 22, 2000 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB66D1/16
- WIPO fieldHandling
- WIPO sectorMechanical engineering
Abstract
A winch clutch which comprises a cable drum, a power shaft with at least four slots spaced equidistant apart on the surface of the said power shaft; a cylindrical clutch housing having a bore, the said cylindrical clutch housing fitting around the said power shaft; four dowel pins spaced equidistantly and being located in the inner surface of the said cylindrical clutch housing; a clutch locking ring in assembly with steel balls, the said clutch locking ring being actuated by movement of a shifting yoke acting against a set of springs and moving said clutch locking ring causing the said steel balls to move the said dowel pins into the said slots in the said power shaft.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.