FIELD: construction.
SUBSTANCE: device with a curtain made with the possibility of winding and unwinding between closed and open positions and comprises a toothed belt at each side near side edges, arranged in parallel to side edges, with a serial row of teeth. The side of the teeth arranged in longitudinal direction of the appropriate side edges, in at least one of the belts installed on one side of the curtain, is made with the possibility of resting against the support element arranged at the other side of the curtain as the curtain is wound.
EFFECT: invention makes it possible to prevent slipping of curtain side edges.
23 cl, 13 dwg
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