REPLACEABLE CARTRIDGE FOR LAMINAR ROLLER SCREENS

摘要

The invention relates to a replaceable cartridge for laminar roller screens. The invention comprises: a rotating drum (5) for a flexible sheet (15) which slides along the length of horizontal guide sections (3, 4) and between two vertical sections (1, 2) of a peripheral frame; a torsion spring (12) which acts on the aforementioned drum, thereby causing said drum to rotate in the sheet-winding direction; means for removably connecting the cartridge (100) to a vertical section (1); an actuation knob (13) which is connected to the spring, such that the tension of the spring can be adjusted; a tubular case (6) which defines the cartridge, which houses the drum and the spring and which is equipped with a longitudinal opening (7) for the removal and insertion of the flexible sheet (15) from/into the case (6); means for anchoring and guiding the spring inside the drum; and a cover (28) for the case, which is designed to receive the removable coupling of the actuation knob.