Acoustic warning device

Details Acoustic warning device Acoustic warning device

1981-05-05

1983-08-30

Gill, James J.

Signals and indicators

Horns, whistles and compressional wave generators

Diaphragm horns

116 59, B06B 118

Patent

active

044010494

ABSTRACT:
The invention relates to an acoustic warning device (especially for automobiles) of the type comprising a diaphragm pressed by a spring on a circular lip at one extremity of a horn. According to the invention the said lip is formed on a synthetic material piece socketed on the external periphery of a tubular portion of a foot, the interior of the said tubular portion receiving, by its extremity opposite to the said piece, the said extremity of the horn.

REFERENCES:
patent: 1076181 (1913-10-01), Willis
patent: 1281877 (1918-12-01), Teste
patent: 2003505 (1935-06-01), Gillet
West German, Z4498 VIII d/74d; Hoppenrath; May 1956, Patentanmeldung.

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