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Individual
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Individual
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Priority to ES0030469UpriorityCriticalpatent/ES30469Y/en
Publication of ES30469UpublicationCriticalpatent/ES30469U/en
Application grantedgrantedCritical
Publication of ES30469YpublicationCriticalpatent/ES30469Y/en
An improved pilot focus, which is essentially characterized by being formed by two concentric and parallel washers joined together by two, three, four or more columns or braces, forming a single piece with said washers, which present their external surface curved and provided of a series of slots located according to a spiral, forming a thread, on which one or more nuts or flywheels are screwed, which allow to fix the focus, situating it in the convenient position. The rear washer has two holes in which penetrate the plugs of the lampholder, located at the rear of the set, leaving the lamp in the interior space determined by the aforementioned union columns, between which circulates the air that refreshes it, avoiding thus its deterioration. (Machine-translation by Google Translate, not legally binding)
ES0030469U1952-03-241952-03-24
Perfected pilot light
ExpiredES30469Y
(en)
Improvements improved in the adaptation of the viewer of pilot lights for electrical panels and similar applications (Machine-translation by Google Translate, not legally binding)