FIELD: construction.
SUBSTANCE: design of a flexible bind to close a window opening comprises a blind with side edges; a drive to displace a blind having a rotary drum, guides installed on a fixed support. The device is arranged with a clamping element having a concave shape relative to the drum to prevent bending of side edges in their part that is not supported and is arranged between the first end of the guides that is located most closely to a roll, and the roll. Side edges are arranged as substantially incompressible.
EFFECT: invention will make it possible to prevent bending of blind side edges.
18 cl, 23 dwg
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