Patent · US Active

Optical measurement of fastener preload

US9492901B2 · kind B2 · utility

3Cited by
13References
21Claims
0Family size

Assignee

Inventors

Key dates

Filing dateJan 16, 2014
Grant dateNov 15, 2016
Priority date—
Expiry dateSep 11, 2034

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY10T29/49766
  • WIPO fieldMeasurement
  • WIPO sectorInstruments

Abstract

A fastener comprises a head, and a shank having an outer surface and an axially-extending channel in the outer surface. Optically transmissive, strain-sensitive fills the channel.

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