Patent · US Expired

Measuring device

US5577330A · kind A · utility

11Cited by
4References
8Claims
0Family size

Assignee

Inventor

Key dates

Filing dateMay 5, 1995
Grant dateNov 26, 1996
Priority date
Expiry dateMay 5, 2015

Classification

  • Technology area (CPC G)Physics
  • CPC primaryG01B3/12
  • WIPO fieldMeasurement
  • WIPO sectorInstruments

Abstract

An electronic hand holdable measuring device for measuring dimension of an article by rolling the device across surface of the article includes a housing 10 and a roller sub-assembly 11. When the roller is worn it can be readily replaced together with an associated raster disc 23 forming part of the sub-assembly. An optical reader is permanently mounted inside the housing.

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