Alarm horn

Details Alarm horn Alarm horn

1985-02-12

1987-05-12

Stearns, Richard R.

Signals and indicators

Horns, whistles and compressional wave generators

Diaphragm horns

340388, 340571, G08B 300, G10K 900

Patent

active

046640550

ABSTRACT:
An alarm horn includes a one-piece molded body which includes a casing portion having opposite open ends, and a first horn disposed in the casing portion and having opposite open ends. The first horn is connected to the casing portion at their one ends. A second horn of a generally cup-shape is disposed in the first horn in spaced relation thereto. Connective portions extend between the first and second horns to connect them together. A sound-generating unit is disposed in the casing and is fixedly connected to the other end of the first horn.

REFERENCES:
patent: 1132154 (1915-03-01), Bliley
patent: 1171042 (1916-02-01), Greytak
patent: 2386513 (1945-10-01), Soderberg
patent: 3858193 (1974-12-01), Bach
patent: 4092641 (1978-05-01), Bellinghausen
patent: 4171677 (1979-10-01), Hibell
patent: 4310833 (1982-01-01), Sakaguchi

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