Patent · US Expired

Multi-unit railroad freight car for carrying cargo containers

US6546878B1 · kind B1 · utility

22Cited by
33References
22Claims
0Family size

Assignee

Inventors

Key dates

Filing dateOct 12, 2001
Grant dateApr 15, 2003
Priority date
Expiry dateOct 12, 2021

Classification

  • Technology area (CPC B)Performing Operations; Transporting
  • CPC primaryB61D3/187
  • WIPO fieldTransport
  • WIPO sectorMechanical engineering

Abstract

A multi-unit railroad freight car and a container-carrying bridge unit for such a car. The bridge unit extends between and is carried on the adjacent body bolsters of both of a pair of drawbar-connected well units designed for carrying stacked cargo containers. The bridge unit includes a center sill, a transverse bolster at each end of the center sill, and container-supporting arms extending from the bolsters and above the body bolsters of the adjacent container well units to support a cargo container.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.