FIELD: construction.
SUBSTANCE: window closing facility comprises a driving device, such as a a spring with a permanent coefficient of stiffness, which is adapted to apply a substantially permanent rotary force to the axis of the drive. A cord winding unit is coaxially installed on the driving axis and includes at least one winding drum, which is functionally connected with the second end of the cord for lifting and has a cone section, and also a rotary mounting element to move the window cord winding unit aside along the axis of the drive while the mounting element rotates. The cord winding unit is adapted for conversion of the rotary force at the drive axis into a lifting force at the cord for lifting, in which the force directed upwards is more than the force directed downwards, being applied with a curtain element and a lower guide in the entire range of opening and closing. A pressing accessory or a blocking element, also functionally connected to the axis and adapted to unlock the drive axis in the required position.
EFFECT: increased operational reliability.
12 cl, 15 dwg
| Title | Year | Author | Number |
|---|---|---|---|
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|
RU2433240C1 |
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| USE OF CONTAINER FOR HANDLING YARN BOBBIN, WINDING MACHINE FOR YARN, STRUCTURAL ASSEMBLY OF WINDING MACHINE AND METHOD OF HANDLING BOBBIN OF YARN | 2015 |
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RU2694959C2 |
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|
SU1581214A3 |
