Electrical switch construction and method of making the same

Details Electrical switch construction and method of making the same Electrical switch construction and method of making the same

1978-04-19

1979-09-18

Haroian, Harry N.

Electricity: circuit makers and breakers

Special application

Liquid or moisture responsive

200 67DA, H01H 518

Patent

active

041684125

ABSTRACT:
An electrical switch construction having a fixed contact and a movable switch blade carrying a contact for cooperating with the fixed contact under the control of an actuator spring that sustains a contact force on the closed contacts until the actuator spring is snapped overcenter by a movable actuator member operatively associated with the actuator spring, the construction having a stop normally spaced from the actuator spring and adapted for only being engaged by the actuator spring and thereby limiting movement of the actuator spring caused by normal actuation movement of the actuator member when the actuator spring is snapped in one direction by the actuator member to close the contacts. The stop comprises a biasing means. A fixed non-current carrying stop is also provided to be engaged by the blade when the blade is moved by the actuator spring in the contact closing direction and another biasing means carries the fixed contact for being biased in the contact closing direction under the force of the actuator spring placing the blade against the stop and the contact thereof into contact with the fixed contact.

REFERENCES:
patent: 2330506 (1943-09-01), Matthias
patent: 2428172 (1947-09-01), Miller
patent: 2897308 (1959-07-01), Ferfus

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