Abstract: In a sofa or twin chair positioned side by side in transport means, particularly in railway coaches, where the sofa or twin chairs are rotatably mounted about a vertical central axis for rearrangement by change of the driving direction and blocking of the sofa in a desired position. The carriage is tiltable about a transverse axis in order to remove the rotation axis of the sofa from the coach wall; a coupling member at each end when in the adjusted position of the carriage, is in releasably locked engagement with a corresponding coupling member attached to one wall of the coach, and the sofa or pair of chairs are maintained fixed in the adjusted working position.