Pivotal trailer coupling

The swivel hitch has a single locking element that is used for mechanism. The single locking element is formed by a locking pin (4). The locking pin is moved an eccentric (5). The locking pin is provided with a guide slot (6). The locking pin is provided in the engaged position in a latching notch. The guide slot is arranged in the surface of revolution (7) of the eccentric. The surface of revolution is arranged eccentrically relative to a rotational shaft (14) of the eccentric.