FIELD: construction.
SUBSTANCE: in a textile raising curtain formed by a pair of bearing upper and lower beams, and also a row of moulded stiffening elements installed in parallel to beams and joined with textile cloths, there is an additional link introduced in the form of vertical ropes distributed along their length. At the same time the upper beam is installed movably and is joined with a structure via a tensioning device in the form of an actuator.
EFFECT: higher reliability of curtain operation due to increase of its strength capabilities.
6 cl, 3 dwg
| Title | Year | Author | Number |
|---|---|---|---|
| ELEMENT OF FABRIC CURTAIN STIFFNESS | 2011 |
|
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SU1031811A1 |
| CURTAIN DEVICE | 1995 |
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RU2111332C1 |
| SAFETY CURTAIN AND DEVICE FOR ITS OPERATION | 2010 |
|
RU2438736C1 |
