Sound producing device

Details Sound producing device Sound producing device

1977-06-17

1978-08-29

Yasich, Daniel M.

Signals and indicators

Horns, whistles and compressional wave generators

46195, A63H 504, G10K 1010

Patent

active

041096088

ABSTRACT:
A sound producing device which can produce a loud sound is disclosed. The device includes a moveable frame and a flexible and hermetically sealed cylindrical bag enclosed in such moveable frame as well as a bellows extensible and compressible in the axial direction of the frame. The bellows is intermittently driven so as to compress air contained therein and to release it. The compressed air is abruptly released to break a sheet of paper and produce the loud sound.

REFERENCES:
patent: 1576749 (1926-03-01), King
patent: 1771340 (1930-07-01), Martin
patent: 2168454 (1939-08-01), Smith
patent: 2197075 (1940-04-01), Fitzgerald
patent: 3591978 (1971-07-01), Bollman
patent: 3774572 (1973-11-01), Borraccio

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