Bumper
US8770636B2 · kind B2 · utility
Assignee
Inventor
Key dates
| Filing date | Aug 27, 2013 |
| Grant date | Jul 8, 2014 |
| Priority date | — |
| Expiry date | Aug 27, 2033 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB60R2019/1813
- WIPO fieldTransport
- WIPO sectorMechanical engineering
Abstract
Providing a bumper absorbing large amount of impact energy with respect to both a light collision and a heavy collision, and preventing the reinforcement beam from bending and protruding backward at a portion where an obstacle collides and from displacing backward in this protruding state. Provided is a bumper for vehicles including a reinforcement beam made of metal and a pair of support members having a hollow cross section, protruding from a vehicle frame, and supporting the reinforcement beam therebetween. A quenched region is provide over a portion including a middle of the reinforcement beam. Unquenched portions are provided on the pair of connecting portions or a pair of adjacent portions inside the pair of connecting portions.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.