Frame crossbeam assembly for all-wheel drive vehicle
US4903791A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Nov 2, 1988 |
| Grant date | Feb 27, 1990 |
| Priority date | — |
| Expiry date | Nov 2, 2008 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10S180/905
- WIPO fieldTransport
- WIPO sectorMechanical engineering
Abstract
A chassis frame crossbeam assembly for a four wheel drive motor vehicle comprising a lower crossmember and an upper bridge member fixed thereon. The crossmember intermediate portion being downwardly depressed formed with a thinned valley section. The bridge member having a hollow-section including an intermediate bifurcated portion in the form of fore and aft upwardly arched branch sections with end extensions welded on either side of the crossmember thinned valley section. The vertically opposed bridge member branch sections and crossmember depression combine to define a through passage for a longitudinal drive shaft for driving the rear wheels. The bridge member branch sections define a free open channel therebetween adapted to receive a transverse tube portion of the steering assembly therethrough arranged with its principal axis orthogonal to the principal axis of the subjacent longitudinal drive shaft.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.