System for pedestrian leg protection in vehicle impact
US8985652B1 · kind B1 · utility
Assignee
Inventors
Key dates
| Filing date | Sep 25, 2013 |
| Grant date | Mar 24, 2015 |
| Priority date | — |
| Expiry date | Sep 25, 2033 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB60R19/03
- WIPO fieldTransport
- WIPO sectorMechanical engineering
Abstract
A system for protecting a pedestrian during impact with a vehicle, the system having a bumper adapted for attachment to an end of the vehicle, wherein the bumper is comprised of a plurality of air sacs, wherein the bumper has a horizontal thickness extends from the end of the vehicle, wherein at least some of the plurality of air sacs stretch and then burst during impact between the bumper and a pedestrian causing deceleration along the horizontal width of the bumper during the impact, wherein the bumper undergoes plastic deformation during impact with the pedestrian as the at least some of the air sacs burst during impact, and wherein the bursting of some of the plurality of air sacs reduces spring back of the bumper on the pedestrian.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.