Load-indicating devices

Details Load-indicating devices Load-indicating devices

1986-01-24

1987-11-03

Frankfort, Charles

Signals and indicators

Indicators

Stress type

73761, 116DIG34, 441 8, G01L 500

Patent

active

047037113

ABSTRACT:
The device consists of first and second load-receiving members, a breakable member and a part-spherical washer received in a seat in the second load-receiving member. In use, a load is applied by way of a rod or bar passing centrally through the load-receiving members and the breakable member positioned therebetween, the rod or bar also passing through a central bore in the washer and being angularly movable because of the support provided by the seat. When a predetermined load is achieved, annular cutting surfaces on the load-receiving member cut the breakable member with a predominantly shear action to indicate that the load has been achieved. Fractured parts of fingers of the bearing member are retained between surfaces to be visible at the periphery of the device.

REFERENCES:
patent: 3104645 (1963-09-01), Harrison
patent: 3161174 (1964-12-01), Harrison
patent: 3285120 (1966-11-01), Kartiala
patent: 3469492 (1969-09-01), Dahl
patent: 3476010 (1969-11-01), Markey
patent: 4037516 (1977-07-01), Hart

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