Snap action switch

Details Snap action switch Snap action switch

1976-05-19

1978-07-25

Truhe, J. V.

Electricity: circuit makers and breakers

Special application

Liquid or moisture responsive

200 67R, 200153K, 200339, H01H 514

Patent

active

041031261

ABSTRACT:
The disclosed switch mechanism consists of two toggle arm type linkages connected to a switch actuator, powered by a dual torsion bar spring, each linkage working in opposition to the other. Thus, a net resultant force is exerted on the switch actuator locating the associated switch mechanism in either of two stable positions with the net resultant force being equal to the difference between the forces generated by the two torsion bar spring arms and applied by the two toggle arms to the switch actuator.

REFERENCES:
patent: 549268 (1895-11-01), Haskins
patent: 582840 (1897-05-01), Wright
patent: 1682007 (1928-08-01), Freeman
patent: 2073141 (1937-03-01), Chaney
patent: 2247231 (1941-06-01), Getchell
patent: 2754688 (1956-07-01), Barecki

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