Strain indicator using an optical indicator means

Details Strain indicator using an optical indicator means Strain indicator using an optical indicator means

1995-04-28

1997-02-25

Williams, Hezron E.

Measuring and testing

Specimen stress or strain, or testing by stress or strain...

By loading of specimen

73768, G01L 124

Patent

active

056061323

ABSTRACT:
A strain indicator of the type wherein a change in length of the strain indicator gives a visual indication of the change in length. The strain indicator has an elongate strip supported at either end such that the curvature of the strip changes with changes in strain. An optical indicator such as a reflector is mounted on the strip so that the change in curvature can be measured.

REFERENCES:
patent: 2600029 (1952-06-01), Stone
patent: 2873341 (1959-02-01), Kutsay
patent: 3964299 (1976-06-01), Johnson
patent: 4041776 (1977-04-01), Payne
patent: 4549175 (1985-10-01), Rokunohe et al.
patent: 5284062 (1994-02-01), Ryffle

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