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Priority to ES79344UpriorityCriticalpatent/ES79344Y/en
Publication of ES79344UpublicationCriticalpatent/ES79344U/en
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Publication of ES79344YpublicationCriticalpatent/ES79344Y/en
A telescopic mast television antenna, consisting of a series of plug telescopic tubes of decreasing diameter from the bottom to the top, allowing to the mast all possible heights between the length of the folded tube and development, at its maximum length, equal to the sums of lengths of the plug-in elements, less the lengths of the connecting flaps that take place in the plug sleeves. Each of the tubular elements carry a projection, in the direction of a generatrix, which constitutes the key which, housed in the corresponding guide of the sleeve fixed to the lower tube on which the upper tube moves, prevents the rotation of the various tubes of the telescopic mast, guaranteeing the orientation of the antenna. (Machine-translation by Google Translate, not legally binding)
ES79344U1960-03-071960-03-07
Telescopic mast for television antennas
ExpiredES79344Y
(en)
Improvements in the mechanisms of operation of folding and deploying telescopic tube umbrella (Machine-translation by Google Translate, not legally binding)