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JUAGUEL CONST MEC
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JUAGUEL CONST MEC
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Publication date
Application filed by JUAGUEL CONST MECfiledCriticalJUAGUEL CONST MEC
Priority to ES361714ApriorityCriticalpatent/ES361714A1/en
Publication of ES361714A1publicationCriticalpatent/ES361714A1/en
Closing And Opening Devices For Wings, And Checks For Wings
(AREA)
Abstract
Two-speed hydraulic door closer system, characterized in that it comprises a body in which a spring is housed which, by means of a cupel fixed to a rod, presses on a liquid hydraulic oil passing it through two concentric holes given at the end of said rod, so that by means of a shutter the exit passage of the pressed liquid is regulated, thus originating a speed of advance of the cup and stem, which in its advance and when the obturator reaches the orifice of smaller section, makes a change to lower speed for being said smaller step, than the previous one, said moment of change of speed with respect to the distance to the frame of the door being able to be regulated by means of the displacement of the body by means of a threaded rod in the fixing point to the door. (Machine-translation by Google Translate, not legally binding)
ES361714A1968-12-201968-12-20Two-speed hydraulic closure system. (Machine-translation by Google Translate, not legally binding)
ExpiredES361714A1
(en)