Coupler for a rail vehicle and rail vehicle with a coupler

A coupler for coupling a railway vehicle to another railway vehicle, comprising:

• a mounting arm for mounting the coupler to a railway vehicle;
• a coupling arm;
• and
• a joint;
• wherein the mounting arm and the coupling arm are connected to each other via the joint in such a way that the mounting arm and the coupling arm are movable relative to each other and the coupling arm can be brought into a position ready for coupling;
• and
• wherein the coupling further comprises a protective device which is arranged and to prevent or reduce damage to the mounting arm and/or the coupling arm and/or the joint caused by impact forces.

A rail vehicle with a coupler comprising:

• a car body;
• a coupler connected to the car body;
• wherein the coupler comprises:
• a mounting arm for mounting the coupler to the railway vehicle;
• a coupling arm;
• and
• a joint;
• wherein the mounting arm and the coupling arm are connected to each other via the joint in such a way that the mounting arm and the coupling arm are movable relative to each other and the coupling arm can be brought into a position ready for coupling;
• and wherein the coupling further comprises a protective device which is arranged and to prevent or reduce damage to the mounting arm and/or the coupling arm and/or the joint caused by impact forces.