Patent ID: 8464881

Claim:
A coupling device comprising: a coupling body; a bearing with which the coupling body is mounted to pivot about a vertical axis of a car; and a drawbar via which the coupling body is fastened to the bearing and held at a distance from the bearing, wherein the coupling body comprises at least two convex contact spines, formed horizontally next to one another on a side of the coupling body facing away from the bearing and in a plane parallel to the vertical axis of the car, wherein diameters of curvature of the at least two convex contact spines are greater than an extension of the contact spines in a direction of the vertical axis of the car, wherein at least one of the contact spines is magnetized so that the car couples with another car through magnetic attraction on contact of the contact spines with contact spines of the other car, wherein a side of the coupling body comprises a convex contact face into which the contact spines are integrated, and wherein the convex contact face is vertically curved about the horizontal axis of the car.