Patent · US Expired

Surface angle measuring device

US4172324A · kind A · utility

2Cited by
6References
7Claims
0Family size

Assignee

Inventor

Key dates

Filing dateMay 19, 1978
Grant dateOct 30, 1979
Priority date
Expiry dateMay 19, 1998

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY10S33/17
  • WIPO fieldMeasurement
  • WIPO sectorInstruments

Abstract

A device for measuring the angle of inclination of a surface, particularly the flank angle of a piston ring having a trapezoidal cross section. The device includes a feeler assembly which can be brought into contact with the surface. The feeler assembly comprises a pivotally supported feeler head provided with a measuring edge adapted to lie on the surface to be measured and thus conform to the surface inclination. The device further has an arrangement to measure the pivot angle of the feeler head when the measuring edge lies along its entire length on the surface to be measured.

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