roller blind equipped with an operating device of the projection of a roller shutter board

摘要

Roller Shutter equipped with an operation Device for projection and / or to return to a level of a Board of a Roller Blind, or a similar screen,The winding / unwinding is done by means of a Drive,The Board is guided by a Sliding on each side (6) in which at least one bottom is hinged and can be away from the plane of the opening associated with the Shutter when you lProjection, each bottom of the slide is connected to a fixed part of a structure or a Wall by a retractable ARM projection (9) articulated at one endWith a fixed Point (m), and at its other end with a Sliding device of sliding (c) mounted on the slide (6),The sliding device (c) can be Displaced by a Drive Element retractable provisions at the end of a Lama (4a) of the Board,When you want a moving projection or returnThe set is provided for an operator to return control to manipulate the Shade at your convenience at the opening position of ProjectionCharacterized in that the device comprises a Support Operation (25) which is articulated on one end with a Point (26) of the projection arm (9), which consists in its other endA pin (27) which slides in a vertical Guide (29) provided a means of restraint (30) that allows the Locking pin (27) in a position corresponding to the projection.- the means of restraint (30) comprises a shunt (31) in a fixed position of the vertical Guide (29) which allows the Blocking of the Pin in a position corresponding to the projection.And Unlocking by a Movement up and down the Board,So the Force developed during coiling Board is used for holding the pin (27) to its locked position.While the Force developed during the rolling process, The Board is also used to unlock the lock projection and the projection.