Electrical appliance interlock switch with improved isolation me

Details Electrical appliance interlock switch with improved isolation me Electrical appliance interlock switch with improved isolation me

1983-07-12

1987-08-18

Pellinen, A. D.

Electricity: circuit makers and breakers

Special application

Actuated concurrently with operation or use of art device

200 50A, 200304, 219 1055C, H01H 316

Patent

active

046878890

ABSTRACT:
An interlock switch used with an electrical appliance such as a microwave oven. The interlock switch has a housing in which a plurality of switch elements are mounted. The housing also contains movable and stationary barriers which isolate selected switch elements from others so that broken off pieces from some switch elements will not come in contact with other switch elements.

REFERENCES:
patent: 2152780 (1939-04-01), Wheeler
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: 4220332 (1980-09-01), Ritchie et al.
patent: 4233478 (1980-11-01), Stahl et al.
patent: 4303962 (1981-12-01), Wolber et al.
patent: 4351995 (1982-09-01), Inoue et al.

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