Bolt tension indicator

Details Bolt tension indicator Bolt tension indicator

1992-05-27

1993-04-06

Wilson, Neill R.

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

With means to indicate application of predetermined...

Axially deformable member or portion

411 14, 73761, 116212, 116DIG34, F16B 3102, G01L 500

Patent

active

051998351

ABSTRACT:
A bolt tension indicator having an annular washer part of concave cross section for fitment beneath the head of a bolt or beneath a nut, the indicator being made of spring steel and having at least one projecting tab element continuous with the annular washer part so that the lying flat of the tab element against a clamping face indicates a tension in the bolt.

REFERENCES:
patent: 2850937 (1958-09-01), Ralston
patent: 4131050 (1978-12-01), Holmes
patent: 4303001 (1981-12-01), Trungold
patent: 4483648 (1984-11-01), Trungold
patent: 4500237 (1985-02-01), Pliml, Jr.

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