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Priority to ES113475UpriorityCriticalpatent/ES113475Y/en
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Publication of ES113475YpublicationCriticalpatent/ES113475Y/en
Improved advertising projector characterized in that it consists essentially of a mechanism box having a vertical rear cover provided by its internal face of a mirror that reflects the light projected by a lamp also located on the inside of this box within which it is located. Also a small electric motor whose outer drive shaft is connected to a disk that has eccentrically located a toothed sector that when moving drives alternately to two toothed crowns one upper and lower one in any of which can be placed indistinctly a disc-slide holder that in this way it is driven to rotate in front of the objective of the projector proper, the disc that is placed in the lower crown being greater in diameter than the one that can be arranged in the upper one, and it being possible to place only one disc at a time. (Machine-translation by Google Translate, not legally binding)
ES113475U1965-05-101965-05-10
An advertising projector perfected
ExpiredES113475Y
(en)