Plug socket for trailer coupling device for supplying current to trailer for motor vehicle, has plug contacts accessed via opening that is covered by hinged cover, where hinged cover possesses surface that is larger than opening

摘要

The socket has a plug contact accessed via an opening that is covered by a hinged cover (18), where the socket is arranged in a region of a ball neck (10) of a trailer coupling device. The hinged cover possesses a surface that is larger than the opening. An even carrier surface (22) is formed in an exterior of the cover, where the cover is hinged upward in an intended operating position of the trailer coupling device. The ball neck comprises a pivot bearing element (11). An independent claim is also included for a trailer coupling device comprising a ball head.