Fireplace damper position indicator

Details Fireplace damper position indicator Fireplace damper position indicator

1978-12-14

1981-03-24

Pitrelli, John F.

Signals and indicators

Indicators

Operator movable

40600, 40611, 40616, 40617, 116277, G09F 718

Patent

active

042573424

ABSTRACT:
A fireplace damper position indicator for indicating whether the damper to the flue is open or closed to prevent building a fire with a closed damper or leaving the damper open allowing air to escape from the room. The device briefly is a magnetic holder to attach to the fireplace lintel and a hanger pivotally secured to the holder to connect to a sign. The sign has indicia indicating "open" on one side and "closed" on the other side such that when the fireplace damper is open the sign is turned to read "open" indicating the damper is open.

REFERENCES:
patent: 228988 (1880-06-01), Dumars
patent: 874998 (1907-12-01), Schumacher
patent: 1898379 (1933-02-01), Meehan
patent: 3289338 (1966-12-01), Stephens
patent: 3708897 (1973-01-01), Adams et al.
patent: 3984931 (1976-10-01), Belokin, Jr.
patent: 4009532 (1977-03-01), Thomas
patent: 4015587 (1977-04-01), Wincek

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