Coupling assembly for a rear carrier

The clutch arrangement (10) has rear carrier (50) with coupling arms (11,12), is provided at rear end of motor car (92) in vehicle transverse direction. A coupling base (17) is provided to releasably attach the rear support coupling units (60) of the rear carrier. A bearing arrangement (15) is provided between the coupling arms in usage position (G) of clutch arrangement when coupling base is projected to rear against the rear contour of the motor car. The coupling base is moved behind or under the rear contour of the motor car in non-usage position (N) of clutch arrangement.