Patent · US Expired

Railroad car energy absorption apparatus

US7044061B2 · kind B2 · utility

12Cited by
4References
24Claims
0Family size

Assignee

Inventors

Key dates

Filing dateSep 24, 2004
Grant dateMay 16, 2006
Priority date
Expiry dateSep 24, 2024

Classification

  • Technology area (CPC B)Performing Operations; Transporting
  • CPC primaryB61F5/142
  • WIPO fieldTransport
  • WIPO sectorMechanical engineering

Abstract

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.