Patent · US Expired

Digital display type measuring instrument

US4765064A · kind A · utility

8Cited by
6References
8Claims
0Family size

Assignee

Inventor

Key dates

Filing dateJul 2, 1987
Grant dateAug 23, 1988
Priority date
Expiry dateJul 2, 2007

Classification

  • Technology area (CPC G)Physics
  • CPC primaryG01B3/002
  • WIPO fieldMeasurement
  • WIPO sectorInstruments

Abstract

This invention relates to a digital display type measuring instrument. In a case, a pair of scales including a main scale and an index scale are provided, the index scale is fixed in the case and the main scale is slidably supported by a guide provided in the case. A spindle is supported by the case in a manner to be movable in the axial direction thereof. One end of the spindle is provided with a measuring element, and the other is located within the case and is engaged with the bottom end portion of the main scale provided in the case. The main scale is constantly biased toward the spindle by a biasing device in a manner to be operationally associated with the other end of the spindle.

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