Thermostatic heat detector

Details Thermostatic heat detector Thermostatic heat detector

1997-07-25

1998-10-20

Mullen, Jr., Thomas J.

Communications: electrical

Condition responsive indicating system

Specific condition

337360, 337362, 337376, 374206, G08B 1706

Patent

active

058252940

ABSTRACT:
A heat detection and alarm unit is provided including a housing with a front face, a rear face, a top face, a bottom face and a pair of side faces coupled therebetween defining an interior space. A speaker is situated within the interior space of the housing. The speaker is adapted to emit an audible tone upon the supply of power thereto. A coiled thermostat is provided having a first end located at the center thereof rotatably coupled within the interior space of the housing. The coiled thermostat has a second end with a conductive hammer coupled thereto. Next provided is a battery mounted within the housing for powering purposes. An electrical assembly including a contact is mounted adjacent the conductive hammer. Upon the detection of a predetermined temperature, the hammer engages the contact thereby supplying power to the speaker.

REFERENCES:
patent: 2698890 (1955-01-01), Hughes et al.
patent: 2762887 (1956-09-01), Frankfurt
patent: 3254534 (1966-06-01), Graham
patent: 3628494 (1971-12-01), Bilotta
patent: 3818763 (1974-06-01), Berleyoung et al.
patent: 4503800 (1985-03-01), Schliep
patent: 4636776 (1987-01-01), Leaming
patent: 4695829 (1987-09-01), Everett et al.

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