Patent · US Expired

Load bar weighing system

US4657096A · kind A · utility

7Cited by
6References
13Claims
0Family size

Assignee

Inventor

Key dates

Filing dateDec 6, 1984
Grant dateApr 14, 1987
Priority date
Expiry dateDec 6, 2004

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY10S177/08
  • WIPO fieldMeasurement
  • WIPO sectorInstruments

Abstract

A load measurement bar is attached to an isolated section of railroad track rail at two locations along the neutral axis of the rail. The bar assembly contains displacement sensors to measure the bending slope of the rail relative to the bar to provide a signal output directly proportional to load.

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