Load indicating washer

Details Load indicating washer Load indicating washer

1974-08-20

1976-04-06

Queisser, Richard C.

Signals and indicators

Navigation devices

73 88F, 116DIG34, F16B 3102

Patent

active

039481417

ABSTRACT:
A load-indicating washer for use in joining two different elements which is capable of visually indicating the tightening force applied against a locking bolt and nut through the indication of encapsulated fluid released under the tightening load. The encapsulated fluid being provided in a depression formed in at least one bearing surface of the washer.

REFERENCES:
patent: 2572940 (1951-10-01), Lockhart
patent: 2724964 (1955-11-01), Singdale
patent: 2824481 (1958-02-01), Johnson
patent: 3137268 (1964-06-01), Hornwood
patent: 3285120 (1966-11-01), Kartiala
patent: 3304827 (1967-02-01), Bush
patent: 3383974 (1968-05-01), Dahl
patent: 3495907 (1970-02-01), Rogers
patent: 3631910 (1972-01-01), Crowther

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