Trailer alignment aid with universal mounting device
US7111863B2 · kind B2 · utility
Inventors
Key dates
| Filing date | Jul 7, 2004 |
| Grant date | Sep 26, 2006 |
| Priority date | — |
| Expiry date | Jul 22, 2024 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB60R1/003
- WIPO fieldTransport
- WIPO sectorMechanical engineering
Abstract
The present invention is directed to systems and methods for trailer alignment including a clamping mechanism configured to rigidly and removably clamp to a neck of a trailer hitch ball. An arm arrangement is rotatably attached to the clamping mechanism. The arm arrangement configured to extend from the clamp arrangement to beyond an edge of a tow vehicle. A mirror may be attached to the arm arrangement and configured to provide a view of the trailer hitch ball from the inside of the tow vehicle. A sight rod may be attached to the clamping device and configured to bend in response to a trailer coupler approaching the trailer hitch ball at a predetermined distance from a selectable angle. The clamping mechanism may include a pair of opposed jaws configured to adjustably clamp between a range of about 0.8 and about 1.5 inches.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.