Tubular roll-formed automotive bumper
US5306058A · kind A · utility
60Cited by
30References
1Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Mar 26, 1990 |
| Grant date | Apr 26, 1994 |
| Priority date | — |
| Expiry date | Mar 26, 2010 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10S138/11
- WIPO fieldTransport
- WIPO sectorMechanical engineering
Abstract
A bumper bar for vehicles formed from rolled sheet steel having a closed tubular profile designed to have a high impact resistance, high strength-to-weight ratio, and a low cost of manufacture. The bar is preferably swept along its longitudinal axis to create a curvature consistent with modern automotive designs.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.