Hitch ball lock
US6846002B2 · kind B2 · utility
7Cited by
32References
13Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jul 30, 2002 |
| Grant date | Jan 25, 2005 |
| Priority date | — |
| Expiry date | Jul 30, 2022 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB60D1/06
- WIPO fieldTransport
- WIPO sectorMechanical engineering
Abstract
A lock assembly for securing a trailer including a hitch ball, a lock housing, a lock washer and a nut. The lock housing is placed over the lock washer and nut to prevent the nut from turning. A threaded portion of the hitch ball is placed through a hole in the lock housing and through the lock washer and nut to secure the hitch ball. When a trailer coupler is locked to the ball portion of the hitch ball, the trailer and hitch ball are secure from theft.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.