FIELD: construction.
SUBSTANCE: control system for lifting and lowering coverage for an architectural opening, comprising a common master shaft for lifting and lowering of the middle link and the lower link, between which there is a flexible screening material. The control element actuates a spool lifting system and a lifting system with a rotary drum, besides, the coil lifting insert is connected to the middle link, and the lifting system with the rotary drum is connected to the bottom link. Lifting systems are controlled separately, when the master shaft is put in motion in one of directions with a control element.
EFFECT: invention will make it possible to provide for improved system reliability.
12 cl, 48 dwg
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