Patent · US Expired

Multiple stage torsion-bar weighing apparatus

US5258583A · kind A · utility

1Cited by
1References
12Claims
0Family size

Assignee

Inventors

Key dates

Filing dateJan 16, 1991
Grant dateNov 2, 1993
Priority date
Expiry dateJan 16, 2011

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY10S177/09
  • WIPO fieldMeasurement
  • WIPO sectorInstruments

Abstract

A multi-stage weighing apparatus having a primary force reducing torsion-bar assembly and a secondary force reducing means. The combination of the primary and secondary force reducers enabling the scale to measure the weight of very heavy objects while having relatively small overall dimensions.

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