| 摘要 |
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.
|
