Polymer, energy absorber rail extension, methods of making and vehicles using the same
US9469264B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Jun 25, 2015 |
| Grant date | Oct 18, 2016 |
| Priority date | — |
| Expiry date | Jun 25, 2035 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB60R2019/1866
- WIPO fieldTransport
- WIPO sectorMechanical engineering
Abstract
In one embodiment, a rail extension comprises: an energy absorber comprising a polymer body, wherein the energy absorber comprises cells formed by cell walls extending a length of the energy absorber and forming cavities therethrough; each side of the energy absorber comprises an open channel wherein the channel is defined by walls of adjacent cells; a vehicle attachment tab extending from at least one of the cell walls at one end of the energy absorber; and a first vehicle attachment tab gusset extending between the vehicle attachment tab and the cell wall on one side of an opening in the vehicle attachment; wherein the energy absorber and the vehicle attachment tab were formed as one-piece.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.