Railroad car energy absorption apparatus
US6792871B2 · kind B2 · utility
19Cited by
11References
28Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Nov 7, 2002 |
| Grant date | Sep 21, 2004 |
| Priority date | — |
| Expiry date | Nov 7, 2022 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB61F5/142
- WIPO fieldTransport
- WIPO sectorMechanical engineering
Abstract
A railroad car energy absorption apparatus is disclosed. The railroad car energy absorption apparatus includes a spring assembly having an elastomer spring element arranged in operable combination with structure for inhibiting localized heat deterioration of the elastomer spring element.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.