Thermal switch having movable insulative member therein

Details Thermal switch having movable insulative member therein Thermal switch having movable insulative member therein

1977-08-08

1978-03-21

Harris, George

Electricity: electrothermally or thermally actuated switches

Thermally actuated switches

With fusible, combustible or explosive material

337409, H01H 3776

Patent

active

040805867

ABSTRACT:
A thermally responsive electric switch which has an insulative member movably oriented within the switch's housing. A conductive element is positioned within the movable member to electrically interconnect the spaced end portions of two lead-in wires also positioned within the housing. A thin layer of fusible material (e.g. gallium) is positioned on the ends of the lead-in wires and in contact with the conductive element when the movable member occupies a first position within the housing.

REFERENCES:
patent: 3291945 (1966-12-01), Merrill et al.
patent: 3952274 (1976-04-01), Plasko
patent: 3956725 (1976-05-01), Merrill et al.

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