The invention relates to a device for providing an axial force subject to a torque, which device has a first shaft with a friction surface comprising at least a radial directional component; a second shaft which is placed parallel with at least an axial directional component to the first shaft; a friction member arranged with an axial screw thread on the second shaft for friction contact with the friction surface, which friction member displaces axially in the case of rotation relative to the second shaft; and pressing means for urging the friction member in an axial direction. |