Miniature thermal switch and method of making the same

Details Miniature thermal switch and method of making the same Miniature thermal switch and method of making the same

1983-04-28

1985-08-06

Broome, Harold

Electricity: electrothermally or thermally actuated switches

Thermally actuated switches

With fusible, combustible or explosive material

29623, 337407, H01H 3776

Patent

active

045338973

ABSTRACT:
A miniature thermal switch features simplified single-spring construction requiring only four components within an enclosure housing. None of the components requires subassembly, and all are designed for completely automated assembly of the finished switch. A fabrication method features self-alignment of the elements by means of closely confining barrier walls. A wiping action of the contacts during melting of a contact-restraining meltable pellet serves to insure an abrupt circuit interruption at the threshold temperature.

REFERENCES:
patent: 4255736 (1981-03-01), Kelley

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