Tension indicating washer

Details Tension indicating washer Tension indicating washer

1980-03-17

1981-10-06

Britts, Ramon S.

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

With means to indicate application of predetermined...

Axially deformable member or portion

411156, F16B 3102, F16B 3924

Patent

active

042932572

ABSTRACT:
A washer for indicating the amount of load placed on a fastener joint. A disc-like body has a pair of arms extending outwardly and then upwardly from two elbow portions. These two arms will deflect toward one another and, when a predetermined load is reached, they will touch. Any loosening occurring within the joint will result in the arms disengaging contact presenting an immediate visual indication.

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patent: 4149446 (1979-04-01), Spengler et al.
patent: 4164164 (1979-08-01), Trungold

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