Electric horn

Details Electric horn Electric horn

1977-07-25

1980-07-08

Thomas, James D.

Communications: electrical

Audible indication

Diaphragm

340384R, G10K 900

Patent

active

042120012

ABSTRACT:
In an electric horn for an automobile, a diaphragm is bent at its periphery to define an effective vibration area and a flange portion of a housing is also bent to hold the peripheral edge of the diaphragm. As a result, good sound and sealing are ensured in a compact structure with less number of parts.

REFERENCES:
patent: 1328454 (1920-01-01), Root
patent: 1799162 (1931-04-01), Goldschmidt
patent: 2645768 (1953-07-01), Santino
patent: 2700761 (1955-01-01), White
patent: 2942255 (1960-06-01), Wetzel
patent: 3041601 (1962-06-01), Wetzel
patent: 3179932 (1965-04-01), Gregoroff
patent: 3456254 (1969-07-01), Dougall
patent: 3562748 (1968-09-01), Wetzel et al.
patent: 3886546 (1975-01-01), Ueda

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