Bumper for pedestrian impact having thermoformed energy absorber
US7163243B2 · kind B2 · utility
36Cited by
64References
11Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Dec 12, 2005 |
| Grant date | Jan 16, 2007 |
| Priority date | — |
| Expiry date | Dec 12, 2025 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB60R2019/1846
- WIPO fieldTransport
- WIPO sectorMechanical engineering
Abstract
A vehicle bumper system includes a beam and a thermoformed energy absorber positioned on a face of the beam. The thermoformed energy absorber has a plurality of elongated crush boxes thermoformed from a base flange. Crush boxes near a center of the beam are up to about three inches deep, and as a result have side walls that are stretched when thermoformed, while crush boxes near ends of the beam are much shorter and hence not as thin. As a result, the center area has a softer impact intended to reduce pedestrian injury during impact.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.