Trailer coupling device i.e. towing vehicle trailer coupling device, for coupling e.g. passenger car, with trailer, has bearing unit movably supporting connecting piece and counteracting rocking motion of connecting piece

摘要

The device (2a) has a connecting piece (1a) e.g. ball coupling and hitch, and a bearing unit (4a) movably supporting the connecting piece opposite to a coupling device part (3a) in a moving direction. The bearing unit counteracts a rocking motion of the connecting piece. The bearing unit comprises a translation bearing unit (5a) that is provided for mounting the bearing unit in a translation movement direction (6a) and a rotational bearing unit that is provided for mounting the bearing unit in a rotational movement direction. A movement controller (9a) influences movement of the bearing unit.