Device for limiting the withdrawal of the board of a concealment system, a board that includes such a limitation device and a concealment system that involves such a board

摘要

Closing system (1) of roller shutter, mosquito net, awning, garage door or similar, intended to equip a defined opening at the level of a building, this system comprising: - a board (2) that includes a final sheet (20 ); - lateral guides (3; 3 ') in which the lateral ends of the board (2) and / or at least one drawer (4) in which it is rolled and from which the board (2) is unwound are moved; - a device (5) for limiting the folding of the board (2) at the end of the folding stroke of the board (2), this device comprising: - a support (6) provided with a means (60) for receiving the final sheet ( 20) of the board (2); - a mobile element (7) with respect to this support (6); - a retractable stop (9) which, at the end of the retracement stroke of the board (2), can occupy, on the one hand and in the absence of intervention on the limiting device (5), an active locking position in which this stop ( 9) cooperates with a support means that the opening and / or at least one of the guides (3; 3 ') and / or the drawer (4) of the closing system (1) entail, to interrupt the folding of the board ( 2), and, on the other hand and under the effect of an intervention on the limiting device (5), an inactive blocking position in which this stop (9) is retracted with respect to this support means, to allow continuation the folding of the board (2) beyond the limit position; - means for locking the retractable stop (9) in the active locking position; - a means for mounting the mobile element (7) in a sliding manner with respect to the support (6) as well as a means for mounting the retractable stop (9) in displacement with respect to the mobile element (7), between the active locking position and the inactive lock position; -characterized in that the mobile element (7) includes the retractable stop (9), while the means of locking the retractable stop (9) is constituted by the support (6) which, by sliding of the mobile element (7) with respect to the support (6), it can occupy, on the one hand, a locking position of the retractable stop (9) in the active locking position and, on the other hand, an unlocking position of this retractable stop (9).