Air horn

Details Air horn Air horn

1977-07-22

1979-10-23

Yasich, Daniel M.

Signals and indicators

Horns, whistles and compressional wave generators

Diaphragm horns

181159, G10K 904

Patent

active

041716787

ABSTRACT:
A springless diaphragm-type air horn provided with fixed structure for controlling the amplitude of diaphragm oscillation to thereby enable manufacturing of the horn without necessity for any adjustment of parts to achieve tone control.

REFERENCES:
patent: 2248073 (1941-07-01), Gage
patent: 2281611 (1942-05-01), Williams
patent: 2352467 (1944-06-01), Broden
patent: 2642028 (1953-06-01), Johnson
patent: 2918895 (1959-12-01), Buell
patent: 2944509 (1960-07-01), Shintaku
patent: 3429294 (1969-02-01), Holm
patent: 4050405 (1977-09-01), Palm

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