SUPPORT STRUCTURE FOR A CARRIER FOR MOUNTING ON A TOW BALL OF A VEHICLE AND CONTAINER, SKI RACK AND BIKE RACK THAT CAN BE COUPLED TO SAID STRUCTURE

The invention relates to a support structure for a carrier and to a container, ski rack and bike rack that can each be coupled to the carrier support structure, which structure is provided for mounting on a tow ball of a vehicle and comprises: a support base that can be coupled and fixed to the tow ball; a frame that can be coupled to the support base and unfolded from a service position to an unfolded position and vice versa; and actuation means provided on the frame and configured to enable the frame to be unfolded from the service position to the unfolded position.