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Individual
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Individual
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Priority to ES0229179ApriorityCriticalpatent/ES229179A3/en
Publication of ES229179A3publicationCriticalpatent/ES229179A3/en
Recover mechanism and brake for doors, of the kind comprising a sliding piston in a sealed manner inside a cylinder filled with fluid, movable towards one end of said cylinder against the action of an elastic means in the opening of the door, and in the opposite direction under the action of said elastic means when closing the door, and means to control the passage of fluid from one side of the piston to another, characterized in that said piston comprises a longitudinal opening that communicates the two spaces of the cylinder defined by the piston in which the aperture plays a longitudinally and fixedly fixed stem with respect to the cylinder, having a variable section in its length so as to alter the free passage section between it and the opening during the displacement of the piston. (Machine-translation by Google Translate, not legally binding)
ES0229179A1956-06-131956-06-13Mechanism recovery and brake for doors (Machine-translation by Google Translate, not legally binding)
ExpiredES229179A3
(en)
Improvements in retaining brakes and shock absorbers for the closure of doors and similar. (Machine-translation by Google Translate, not legally binding)