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Individual
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Individual
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Priority to ES0246594ApriorityCriticalpatent/ES246594A1/en
Publication of ES246594A1publicationCriticalpatent/ES246594A1/en
Improved lightweight crane, characterized in that it consists essentially of a boom apparatus whose train of gears and mechanisms are mounted on a base mounted on a central axis that allows to move in any direction and on a horizontal plane to the whole assembly which axis plugs into a guide tube which is supported by welded beams in the shape of a t with strikes in which the heads are fixed in flanges integral to the tube, the central axis being the unión between the fixed part and the mobile whose effect is integral with the lower platform and welded to it. The upper platform is rotatably fitted to said axis by means of two chumacaras at different levels. (Machine-translation by Google Translate, not legally binding)
ES0246594A1959-01-151959-01-15Perfected lightweight guide (Machine-translation by Google Translate, not legally binding)
ExpiredES246594A1
(en)