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ELORZA ECHEVARRIA ELIAS
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ELORZA ECHEVARRIA ELIAS
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Application filed by ELORZA ECHEVARRIA ELIASfiledCriticalELORZA ECHEVARRIA ELIAS
Priority to ES0238746ApriorityCriticalpatent/ES238746A3/en
Publication of ES238746A3publicationCriticalpatent/ES238746A3/en
Improvements introduced in hydraulic lifting jacks, essentially characterized by being constituted by an outer casing of suitable shape and dimensions, with adequate support base and means that determine the elevation of a piston housed in a central conditioning of the structure, comprising a system discharge and load respectively, operated by a manual lever from the outside for the lifting of the base piston that acts as a hydraulic pump that collects the liquid located between the sleeve and the base with projection on the bottom of the piston for the rise thereof, the reversal of the actuating lever being provided to modify the movement of the piston in a different direction, involving a discharge valve that automatically acts for the safety of the assembly upon reaching a certain pressure limit. (Machine-translation by Google Translate, not legally binding)
ES0238746A1957-12-231957-12-23Improvements introduced in the hydraulic lifting cats. (Machine-translation by Google Translate, not legally binding)
ExpiredES238746A3
(en)
A hydropneumatic elevator group, especially for its incorporation to adjustable tables and chairs without stairs at height. (Machine-translation by Google Translate, not legally binding)