Adjustable height vehicle roll-over bar
US4877265A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Jul 29, 1988 |
| Grant date | Oct 31, 1989 |
| Priority date | — |
| Expiry date | Jul 29, 2008 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB60R21/131
- WIPO fieldTransport
- WIPO sectorMechanical engineering
Abstract
An adjustable height roll-over bar is provided in which the cross-piece is separate from the vertical members. The height of the roll-over bar is adjusted by adjusting the connection between the cross piece and the roll-over bar. The three embodiments for this connection are taught: First, corner brackets are provided and an extension can be added between the vertical member and the corner bracket to increase the height of the roll-over bar. One corner bracket leg is longer than the other to compensate for the difference in horizontal distance between the vertical member and the vertical member plus extension when the vertical members are angled. The same corner brackets can be used at either height simply by flipping the corner bracket end-for-end to adjust the position of the long leg. In the second embodiment, the vertical members and the cross piece each are provided with angled engagement surfaces, preferably 45 degrees. These surfaces can be engaged in a complimentary fashion so that the vertical members align with the U-shaped cross piece and provide maximum height. Alternatively, the cross piece can be flipped end-for-end so that the cross piece extends at an angle from the…
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.