System for closing an adjustable venetian blind or similar housed in a double glazing or in a double glazing, provided with means to prevent a movement of the adjustable blind during transport or assembly of the system

摘要

A system (1) for opening and closing a communication path between two separate environments, said system comprising: - separation means (2, 7) respectively suitable to allow and prevent, at least partially, the path of said path through light , air or sound waves; - a group (12, 15, 20, 22) for moving said separation means (2, 7) between at least a first open position and a second closed position of said path; said movement group (12, 15, 20, 22) comprising: - a shaft (15) that can rotate about an axis and connected to said separation means (2, 7), said connection causing the movement of said means of separation (2, 7); - means (12, 20, 22) to rotate said shaft (15) around said axis, - means (18, 19) to command said rotation means (12, 15, 20, 22); - a roller shutter box (16) for containing said tree (15); - a side profile (17) for containing said rotation means (12, 20, 22) and command means (18, 19), said roller shutter box (16) and said side profile (17) being able to be connected to the another, said shaft (15) and said rotation means (12, 20, 22) being connected to each other when said roller shutter box (16) and said side profile (17) are connected to each other, being said system (1) characterized in that it comprises means for blocking the rotation of said tree (15) when said tree (15) is not connected with said rotation means (12, 20, 22), said blocking means comprising: less a first pin (25, 26, 27) that can slide axially with respect to said shaft (15) but restricted in rotation with said shaft (15); - a first seat (28, 29, 30) to accommodate said first pin (25, 26, 27) integrally connected with said roller shutter box (16), said first pin (25, 26, 27) being able to move between at least a third position in which said first pin (25, 26, 27) is at least partially housed in said first seat (28, 29, 30), and a fourth position in which said first pin (25, 26, 27) is outside said first seat (28, 29, 30), said first pin (25, 26, 27) being in the third position when said roller shutter box (16) and said side profile (17) disconnect the each other.