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Priority to ES1969148176UpriorityCriticalpatent/ES148176Y/en
Publication of ES148176UpublicationCriticalpatent/ES148176U/en
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Publication of ES148176YpublicationCriticalpatent/ES148176Y/en
Sound mechanism for toys, essentially characterized in that it is constituted by an insulating roller whose lateral surface is surrounded by an adequate arrangement of contacts located in the field of action of tongues connected to a speaker, while the roller itself is connected through a suitable transmission to the wheels of the vehicle, so that the sliding of the latter on any surface produces the rotation of the roller that establishes the friction of its contacts on the tabs producing the sound of the siren that is adjustable by an appropriate command. (Machine-translation by Google Translate, not legally binding)
ES1969148176U1969-05-051969-05-05
SOUND MECHANISM FOR TOYS.
ExpiredES148176Y
(en)
Automatic mechanic device, capable of producing an adjustment of the width between wheels of railway vehicles to the different wides of via, without the need to stop the convoy. (Machine-translation by Google Translate, not legally binding)
Device to keep constant the rotation speed of the portable player's dishwasher plate. (Machine-translation by Google Translate, not legally binding)