Thermally actuatable electrical switch construction and method o

Details Thermally actuatable electrical switch construction and method o Thermally actuatable electrical switch construction and method o

1979-10-22

1982-01-05

Harris, George

Electricity: electrothermally or thermally actuated switches

Thermally actuated switches

With fusible, combustible or explosive material

337409, H01H 3776

Patent

active

043096859

ABSTRACT:
A thermally actuatable electrical switch construction having a resilient contact member normally biased into electrical contact with a stationary contact member while a temperature sensitive member of the construction is in a solid condition and normally springing out of contact with the stationary contact member by the natural bias of the resilient contact member when the temperature sensitive member is rendered non-solid by sensing a temperature above a predetermined temperature, a guide member being carried by the construction and being operatively associated with the resilient contact member to provide a guide for the resilient contact member that will substantially insure that the resilient contact member will move and be maintained out of contact with the stationary contact member after the temperature sensitive member has been rendered non-solid.

REFERENCES:
patent: 3820050 (1974-06-01), Tyler et al.
patent: 3821685 (1974-06-01), Kimball et al.
patent: 3827014 (1974-07-01), Wehl
patent: 3930215 (1975-12-01), Senor
patent: 3944960 (1976-03-01), Audette
patent: 4109229 (1978-08-01), Plasko
patent: 4167724 (1979-09-01), McCaughna
patent: 4184139 (1980-01-01), Hara
patent: 4276531 (1981-06-01), Davis
patent: 4281309 (1981-07-01), Olson

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