Patent ID: 7832575

Claim:
An articulated joint coupling for rail vehicles, having a coupling lug which engages into a coupling fork and having a spherical bearing in the coupling lug, with the spherical bearing having an inner ring with a convex surface which is pivotably mounted in an outer ring with a concave surface, and with the outer ring being fastened in an opening of the coupling lug, wherein, to fasten the outer ring in the opening of the coupling lug, both the outer ring and also the coupling lug have in each case one groove, with a clamping ring lying in the groove of the outer ring and simultaneously in the groove of the coupling lug the coupling lug has bores which connect the periphery of the coupling lug to the groove and a screw which is arranged in the bore and which is provided for exerting a force on the clamping ring in the radial direction.