LAMEL FOR ROLL SHUTTER Russian patent published in 2009 - IPC E06B9/165 

FIELD: construction.

SUBSTANCE: invention is related to the field of construction, namely to shutter design. Roll shutter comprises high number of roll lamels made of sheet material strips in process of its roller profiling, plank passing along its full length, longitudinal edge of which is bent with creation of groove, and which represents a component in the form of hook together with groove, high number of light ventilation slots installed in longitudinal direction next to each other on plank, height of which makes 40 % - 80 % of plank height so that in hanging condition of roll shutter, portion of light ventilation slots area makes around 20 % - 30 % of total area of roll shutter, body with plank, with groove passing along the whole length of lamel, with cover-like protrusion, formed by lower part of body, namely by section that is located between slot and face side of lamel along its length to slot.

EFFECT: provides for transmission of larger amount of indirect light.

15 cl, 5 dwg