Tension indicating washer for smooth and irregular surfaces

Details Tension indicating washer for smooth and irregular surfaces Tension indicating washer for smooth and irregular surfaces

1983-08-04

1985-02-19

Smith, Gary L.

Expanded, threaded, driven, headed, tool-deformed, or locked-thr

With means to indicate application of predetermined...

Axially deformable member or portion

411544, F16B 3102

Patent

active

045002371

ABSTRACT:
A tension indicating device which includes at least one indicating arm and reference means carried by a stamped generally frustoconical spring washer. A relieved area in the bearing surface of the washer prevents work surface irregularities from producing erroneous tension indications. The arm and reference means may mechanically engage one another and the arm may be made separately and attached to the washer. Indications made by the arm are designed to be visually discernable from a distance.

REFERENCES:
patent: 3072093 (1963-01-01), Lanius
patent: 3329058 (1967-07-01), Cumming
patent: 4131050 (1978-12-01), Holmes
patent: 4149446 (1979-04-01), Spengler
patent: 4293257 (1981-10-01), Peterson
patent: 4371293 (1983-02-01), Wilcox

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