Patent · US Expired

Center beam car with depressed cargo-carrying area

US6523484B2 · kind B2 · utility

14Cited by
27References
7Claims
0Family size

Assignee

Inventors

Key dates

Filing dateDec 17, 2001
Grant dateFeb 25, 2003
Priority date
Expiry dateDec 17, 2021

Classification

  • Technology area (CPC B)Performing Operations; Transporting
  • CPC primaryB61F1/02
  • WIPO fieldTransport
  • WIPO sectorMechanical engineering

Abstract

A center beam railroad freight car with a depressed cargo-carrying floor located on each side of the center beam in an intermediate portion of the car located between respective end portions of the car having higher floors. A bottom plate of the center sill in the intermediate portion of the car is included as a part of the depressed cargo-carrying floor, and crossbearers support floor sheets that extend laterally outward. Side surfaces of the center sill and columns of the center beam are coplanar.

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