Apparatus and method of installing an internal locking ring to reinforce an adjustable trailer hitch
US9844986B2 · kind B2 · utility
Assignee
Inventor
Key dates
| Filing date | Apr 29, 2016 |
| Grant date | Dec 19, 2017 |
| Priority date | — |
| Expiry date | Apr 29, 2036 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB60D1/52
- WIPO fieldTransport
- WIPO sectorMechanical engineering
Abstract
An adjustable height trailer hitch may include a shank portion configured and adapted to be installed into a hitch receiver. The hitch may further include a drop bar extending downwardly from the shank portion. The drop bar may further include a plurality of pin receiving holes formed in the drop bar. The hitch may further include a ball support member having a locking pin disposed in a locking-pin bore and an actuator pin disposed in an actuator bore. The hitch may further include a locking ring disposed in an annular groove of a cylindrical sidewall of the actuator bore. The locking ring may prevent backout of the actuator pin.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.