Mobile trailer hitching apparatus
US7451841B2 · kind B2 · utility
20Cited by
17References
43Claims
0Family size
Inventor
Key dates
| Filing date | Jul 29, 2004 |
| Grant date | Nov 18, 2008 |
| Priority date | — |
| Expiry date | Mar 25, 2025 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB62D51/04
- WIPO fieldTransport
- WIPO sectorMechanical engineering
Abstract
A trailer loading or hitching device for moving a trailer between a storage position and attachment of a tongue of the trailer to a tow vehicle, comprising a vertical lifting column selectively extendable and retractable by a mover and pivotally connected to a drive wheel chassis by a mount for a steering shaft operatively engaged to the lifting column, the drive wheel chassis having opposing drive wheels selectively operable for moving the chassis.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.