Abstract: Trailer coupling assembly arranged to a support structure of a vehicle or support structure of a trailer, wherein the trailer coupling assembly comprises a tow bar or a connection head/trailer hitch, wherein it comprises an intermediate connection device enabling movement of the tow bar or connection head/trailer hitch in a vertical direction and/or longitudinal direction of the vehicle or trailer, respectively. A vehicle with trailer coupling assembly movable in at least a vertical direction and/or longitudinal direction of the vehicle.

Abstract: A trailer (102) for connecting to a vehicle (101), comprising a trailer coupler (103), at least one means for support (104) of the trailer (102) when not connected to the vehicle (101), and at least one parking brake (105) further characterized in that a control center (106) is connected to a at least one motor (108) for automatically raising and lowering said at least one means for support (104), and the control center (106) automatically engages and disengages said at least one parking brake (105) via a control mechanism (107) when the trailer coupler (103) is connected to a tow bar (201).

Abstract: A trailer (102) for connecting to a vehicle (101), comprising a trailer coupler (103), at least one means for support (104) of the trailer (102) when not connected to the vehicle (101), and at least one parking brake (105) further characterized in that a control center (106) is connected to a at least one motor (108) for automatically raising and lowering said at least one means for support (104), and the control center (106) automatically engages and disengages said at least one parking brake (105) via a control mechanism (107) when the trailer coupler (103) is connected to a tow bar (201).

Abstract: System and method for connecting or disconnecting a trailer (102) to a vehicle (101) comprising a tow bar (201) mounted to the vehicle (101), a trailer hitch mounted on the trailer (102), at least one motor mounted in connection with the tow bar (201), a control of said at least one motor and is further characterized in that said tow bar (201) automatically can connect to the trailer hitch mounted on the trailer (102) when these are within a predetermined radius of one another.