Coupler lock
US5154440A · kind A · utility
14Cited by
9References
29Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Aug 29, 1990 |
| Grant date | Oct 13, 1992 |
| Priority date | — |
| Expiry date | Aug 29, 2010 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T70/5982
- WIPO fieldTransport
- WIPO sectorMechanical engineering
Abstract
A locking mechanism for a trailer coupler such as a ball and socket coupler having a release handwheel. The locking mechanism includes a shelf which in one embodiment, surrounds the handwheel to prevent accidental or unauthorized rotation of the release handwheel. In other embodiments, the shelf covers or abuts the handwheel. A padlock may be used to lock the locking shelf in position.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.