Electrical snap switch with double arm resetting lever

Details Electrical snap switch with double arm resetting lever Electrical snap switch with double arm resetting lever

1984-10-03

1986-10-21

Marcus, Stephen

Electricity: circuit makers and breakers

Special application

Liquid or moisture responsive

200DIG42, 200157, 200 76, H01H 506, H01H 1518

Patent

active

046187472

ABSTRACT:
To be able to disengage the contacts of a switch in the event of a breakage of the snap spring or if the contacts become melted together, a pivotable resetting member in the form of a two-armed lever is provided. One arm of the lever is associated with the inside end of an operating plunger, while its other arm is associated with the end of a slide of the switch. While being displaced from its initial position into the switched position, the slide pushes the resetting member and the end of the operating plunger moved thereby away from the respective arm of the resetting member. By pushing the operating plunger against the actuator, the end of the plunger acts against the arm of the resetting member whose pivotal motion then causes the slide to be pushed into its initial position.

REFERENCES:
patent: 3967081 (1976-06-01), Portmann et al.
patent: 4347415 (1982-08-01), Falchi
patent: 4427856 (1984-01-01), Atsumi et al.
patent: 4472328 (1984-04-01), Schaffeler
patent: 4472612 (1984-09-01), Hinterberger

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