Window of horizontal leaves slides and graduables, perfected (Machine-translation by Google Translate, not legally binding)

摘要

Window of sliding and adjustable horizontal leaves, perfected, characterized in that it consists of a frame that mounts, horizontally, four sheets, of which, the lower upper are operable in vertical direction and collapsible up to a previously established maximum, by mechanical means, as well as two other sheets, coupled intermediate between the previous ones, enjoying vertical sliding on guides for this purpose determined with a soft machimbrado on their contact surface. (Machine-translation by Google Translate, not legally binding)