Hinge for a pivotable arm of an electric snap switch

Details Hinge for a pivotable arm of an electric snap switch Hinge for a pivotable arm of an electric snap switch

1976-08-17

1978-12-05

Engle, Samuel W.

Electricity: circuit makers and breakers

Special application

Liquid or moisture responsive

200 83S, H01H 2144

Patent

active

041287479

ABSTRACT:
The invention relates to an electric snap switch assembly which includes a stiff arm which is pivotal about a fixed axis abutment and is movable in a range between two operative positions. A sheet metal hinge member extends the length of the arm and is attached to the fixed axis abutment and to the arm. A sheet metal spacer member is attached to a movable abutment and a U-shaped bow spring straddling the movable abutment is maintained in a compressive state with one leg thereof attached to the free end of the hinge member and the other leg thereof attached to the movable abutment member. A pivotally mounted adjustment member carries the movable abutment.

REFERENCES:
patent: 2738397 (1956-03-01), Slonneger
patent: 3182149 (1965-05-01), Noakes
patent: 3764763 (1973-10-01), Barnes

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