Energy absorption unit
US6755452B2 · kind B2 · utility
16Cited by
7References
12Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jul 26, 2002 |
| Grant date | Jun 29, 2004 |
| Priority date | — |
| Expiry date | Jul 26, 2022 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB60R19/12
- WIPO fieldMechanical elements
- WIPO sectorMechanical engineering
Abstract
An energy absorbing unit for use as a vehicle bumper having an upper zone and a lower zone wherein the upper zone comprises an inner relatively high density foam material for protecting a structural part of the vehicle by absorbing energy in a direction generally longitudinal of the vehicle and an outer relatively low density foam material for providing protection against impact for a body by absorbing energy during impact. The lower zone includes a foam material having a density intermediate that of the foam materials in the inner and outer areas of the upper zone.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.