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Individual
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Individual
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Priority to ES424724ApriorityCriticalpatent/ES424724A1/en
Publication of ES424724A1publicationCriticalpatent/ES424724A1/en
Closing And Opening Devices For Wings, And Checks For Wings
(AREA)
Abstract
Improvements in devices closes automatic doors, especially for swinging doors characterized in that said devices comprise a plate that has in its center a bushing on which rests by means of a ball a shaft integral with an eight-shaped cam, which presents at their opposite ends respective recesses intended to fix respective cam wheels in said position, which corresponds to that of opening the door by 90º on either side of its closed position, said wheels being integral in rotating form of respective connecting rods which can rotate on one of their ends around respective fixed axes to the plate and which at their other end are requested by respective springs to their position in the throttling of the cam corresponding to the closed door position. (Machine-translation by Google Translate, not legally binding)
ES424724A1974-03-281974-03-28Improvements in devices close automatic doors. (Machine-translation by Google Translate, not legally binding)
ExpiredES424724A1
(en)
Opening device and automatic closure of a rotary tonel of submarine type for the treatment of parts by electrolysis. (Machine-translation by Google Translate, not legally binding)