DEVICE FOR AUTOMATICALLY OPERATING A SCREEN SUCH AS A WINDOW COVERING

摘要

The present invention relates to a device (1) for automatically operating a screen (100), such as a window covering, provided with cords (104), the screen comprising an elongate housing (101) in which is arranged at least one rotatable shaft provided with at least one winding roller (103) for winding up or unwinding the cords of the screen. The device comprises a motorized drive (22) and at least one mechanical transmission co-acting with the motorized drive and provided with shaft coupling means (10) for rotatingly driving the shaft. According to the invention the device is suitable for receiving in the elongate housing, the device is provided with a passage (4) for the rotatable shaft and the shaft coupling means are arranged close to the passage. The invention also relates to such a screen provided with a device according to the invention.