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SALA SERRA ANTONIO
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SALA SERRA ANTONIO
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Application filed by SALA SERRA ANTONIOfiledCriticalSALA SERRA ANTONIO
Priority to ES0257604ApriorityCriticalpatent/ES257604A3/en
Publication of ES257604A3publicationCriticalpatent/ES257604A3/en
Improvements in transportable lifting devices, which are characterized by providing them with a lower frame, preferably of L-shaped profile, on whose lower leg the wheel supports are fixed and on whose vertical wings and at their ends they articulate crossed levers that its upper end articulate with second crossed levers, fixed and articulated on an upper surface, the levers being arranged on both facing edges of the platform and frame, and related by their points of articulation by axes, comprising in the middle part of these axes, in one of them, a nut for the passage of a displaceable spindle that passes through the other axis and abuts on it by means of the actuating handwheel, the spindle determining in its displacement the respective position of the two opposite axes and the corresponding opening or closing of the spindle. The levers constituting scissors that in their movement will raise or lower the position of the platform superior to which they are linked and articulated. (Machine-translation by Google Translate, not legally binding)
ES0257604A1960-04-251960-04-25Improvements in transportable lifting appliances (Machine-translation by Google Translate, not legally binding)
ExpiredES257604A3
(en)
Improvements in the manufacture of articulated hinges for doors of furniture and similar. (Machine-translation by Google Translate, not legally binding)