FIELD: building, particularly guiding devices or arrangements for roll-type closures.
SUBSTANCE: curtain structure is adapted to close opening by curtain movement along one or several guiding means. The curtain structure comprises transmission means cooperating with guiders and moving in longitudinal direction. The curtain structure is installed between side curtain edges and guiding means. When predetermined pulling force is applied to side curtain edges in direction transversal to guiding means the side edges are at least partly separated from above transmission means.
EFFECT: increased structural reliability.
21 cl, 66 dwg
| Title | Year | Author | Number |
|---|---|---|---|
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|
RU2567690C2 |
