Patent ID: 7409981
Filing Date: 2008-08-12
Classification: E06B

Abstract:
1. Shutter device intended to close an opening, the shutter device including flexible guideways ( 10 ), fixed supports ( 12 ) on which said flexible guideways ( 10 ) are mounted on each side of the opening, and a shutter ( 1 ) being able to be moved between an open position and a closed position, said shutter ( 1 ) having lateral edges ( 8 , 9 ) running in said flexible guideways ( 10 , 11 ), characterized in that elastic means are provided to connect the flexible guideways to the fixed supports such that the distance between the guideways ( 10 , 11 ) downstream of the lower edge ( 14 ) of the shutter ( 1 ) is greater than the width of the shutter ( 1 ) when the latter is in the open position, and such that, when the shutter is moved towards the closed position, the distance between the guideways ( 10 , 11 ) is gradually adapted to the width of the shutter ( 1 ) in a transition zone ( 18 ) along the guideways as the lateral edges ( 8 , 9 ) of the shutter ( 1 ) slide in the guideways ( 10 , 11 ), wherein at least the part of the guideways situated in the transition zone is flexible along the longitudinal direction of the guideways.