Christmas tree fire detector and alarm

Details Christmas tree fire detector and alarm Christmas tree fire detector and alarm

1976-06-16

1978-02-21

Swann, III, Glen R.

Communications: electrical

Systems

Call station

315130, 337411, 340220, G08B 1706

Patent

active

040756149

ABSTRACT:
A fire detector and alarm is provided with means to mount it on a Christmas tree so as to be activated by the rapid buildup and intense heat of a Christmas tree fire. The power may be derived from a battery or the standard socket of a string of Christmas tree lights or from the electrical circuit with any Christmas tree decoration. The decorative shape of the alarm housing has a plurality of openings consistent with such decorative shape for passing the sound therethrough, and further is provided with a resonance chamber. With closure of a bimetallic switch, the heat of the fire will melt the solder of the switch contacts so that with subsequent cooling, the solder will harden prior to opening of the bimetallic contacts, so that they will remain closed even after cooling.

REFERENCES:
patent: 2048630 (1936-07-01), Davis
patent: 2982949 (1961-05-01), Pivetz
patent: 3095556 (1963-06-01), Fuller
patent: 3475744 (1969-10-01), Frankfurt
patent: 3522595 (1970-08-01), White

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