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Sl Leonelli
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Sl Leonelli
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Application filed by Sl LeonellifiledCriticalSl Leonelli
Priority to ES211315ApriorityCriticalpatent/ES211315A3/en
Publication of ES211315A3publicationCriticalpatent/ES211315A3/en
New acoustic signaling system for motorcycles and simers characterized in that it comprises, in combination and as essential elements, at least one horn provided with a vibrating membrane under the effect of a pressure difference between its opposite faces and a pneumatic lung provided with manual actuator means for driving a certain amount of pressurized air towards the horns and communicating means inside the lung with the outside which restrict the passage of air to the outside-to-inside direction only said lung and horns being connected by means of a pipe for air conduction driven. (Machine-translation by Google Translate, not legally binding)
ES211315A1953-09-191953-09-19A new acoustic signal system for motorcycles and similar (Machine-translation by Google Translate, not legally binding)
ExpiredES211315A3
(en)
Improvements introduced in membrane cylinders for driving devices impulsed with a pressure medium. (Machine-translation by Google Translate, not legally binding)
A system to produce low intensity acoustic vibrations in car vehicles and similar vehicles (Machine-translation by Google Translate, not legally binding)