Electrical appliance interlock switch with force efficient actua

Details Electrical appliance interlock switch with force efficient actua Electrical appliance interlock switch with force efficient actua

1983-07-12

1985-07-09

Pellinen, A. D.

Electricity: circuit makers and breakers

Special application

Actuated concurrently with operation or use of art device

200 1A, 200304, 219 1055C, H01H 316

Patent

active

045284300

ABSTRACT:
An interlock switch used with an electrical appliance such as a microwave oven. The interlock switch comprises a housing having a plurality of conductive swtich elements operated by an actuator. At least two of the conductive switch elements are biased in opposite directions, thereby reducing the force that would otherwise be needed to operate the actuator.

REFERENCES:
patent: 2698370 (1954-12-01), Kelleigh
patent: 3742162 (1973-06-01), Wasemann
patent: 3865097 (1975-02-01), Robinson
patent: 3924085 (1975-12-01), Stone
patent: 3967088 (1976-06-01), Horiuchi
patent: 4101750 (1978-07-01), Doner
patent: 4160885 (1979-07-01), Ellicott et al.
patent: 4233478 (1980-11-01), Stahl et al.

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