Heat responsive alarm device

Details Heat responsive alarm device Heat responsive alarm device

1983-01-18

1985-03-12

Frankfort, Charles

Signals and indicators

Indicators

Temperature responsive or compensating means

116101, 116152, G08B 1700

Patent

active

045038007

ABSTRACT:
A metallic bell-type alarm device for indicating the need for refueling or otherwise adjusting the heat generated within a wood stove or the like. The device is mounted on or adjacent to a stove at a location where it can respond to heat fluctuations in the stove. It comprises a metallic casing and base plate having mounted therein a bimetallic spring having a free-riding clapper washer mounted thereon and a trigger rod that cooperate to sound a bell alarm when significant temperature changes cause the spring to react to change position and strike the metal casing to sound a bell alarm.

REFERENCES:
patent: 1442509 (1923-01-01), Aeschbach et al.
patent: 1823722 (1931-09-01), Birtciel
patent: 3015955 (1962-01-01), Argabrite
patent: 3628494 (1971-12-01), Bilotta

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