Abstract: A device for driving and turning the slats of a Venetian blind, with a bearing housing, a winding spool for a carrier band, a turning mechanism for tilting the slats, an abutment flange for fixing the angular end position for the slats and an actuating element, which can be brought into operative connection to the turning mechanism by means of a lost motion mechanism, for arresting the slats in a working position during lowering of the Venetian blind, at least the winding spool, the turning mechanism, the abutment flange, the actuating element and the lost motion mechanism being arranged in a common bearing housing.