gardinenhub - and - lowering device with two vertically oriented, parallel running, that has a circular cross section guide rails, which can be fixed in place by means of brackets, and engaging with the guide rails, which is mounted in a displaceable and arrestable tubular sliding carriage for the fastening of the curtains supporting cross members, characterized in that the rod-shaped guide rails (4, 5) associated wall brackets (7, 9) with openings (14, 15) for the guide rails (4, 5) are provided, in which the guide rails (4, 5) are arranged axially rotatable, and that in each of the guide rails (4, 5) at least one locking device (40) is provided, which the sliding carriage (10) in an upper operating position of the cross member (10b) and is fixed in a frictionally engaging manner by means of an axial rotary movement of the associated guide rail (4, 5) is detachably.
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