Abstract: The present disclosure relates to a vibration damper with adjustable damping force, comprising an inner cylinder with at least one working chamber which exhibits a flow connection to a damping-valve device, wherein the damper-valve device is arranged outside of an outer cylinder, wherein the flow connection has been realized in a component that is separate from the inner cylinder, wherein the separate component is constituted by a pressure-stage adapter which constitutes a part of the working chamber and which exhibits a coupling to the damping-valve device, wherein a base piece is arranged at the end of the inner cylinder, wherein the pressure-stage adapter and the base piece have been combined to form a pressure-stage adapter device.

Abstract: A head bearing arrangement for connecting a spring strut to a vehicle body includes a head bearing housing and a spring plate on which a load-bearing spring of the spring strut is supported. The spring plate is arranged on the head bearing housing. The spring plate is arranged on the head bearing housing by way of a conical seat, wherein a toothing is inserted in the conical seat between the spring plate and the head bearing housing.

Abstract: The present invention relates to a head bearing arrangement (1) for connecting a spring strut (10) to a vehicle body (11), having a head bearing housing (12) and having a spring plate (13) on which a load-bearing spring (14) of the spring strut (10) is supported, wherein the spring plate (13) is arranged on the head bearing housing (12). According to the invention, the spring plate (13) is arranged on the head bearing housing (12) by way of a conical seat (15), wherein a toothing (16) is inserted in the conical seat (15) between the spring plate (13) and the head bearing housing (12).