MOTORISIERTE BETÄTIGUNGSVORRICHTUNG ZUR BETÄTIGUNG EINER BEWEGLICHEN ABSCHIRMUNG MIT AUFROLLBARER LEINWAND FÜR EINE FENSTERABDECKUNGS- ODER PROJEKTIONSSCHIRMVORRICHTUNG

摘要

A motorized operating interior device for operating a movable interior screen with a windable canvas of a window covering device or of a projection screen device, the motorized operating interior device configured to be suspended by the canvas and including: a winding tube which is movable around a first axis and on which the canvas is adapted to be wound, an actuator which is disposed at least in part in the tube, a first element for fixing a first end of the canvas to the winding tube, the weight of the motorized operating interior device creating a canvas unwinding torque, wherein said operating device includes an compensating element for compensating for the unwinding torque and which acts exclusively by either interaction with gravity or with the canvas or both.