An attachment for articulated connection of a coupling rod to a carriage body, wherein the attachment has the following: - a base plate that can be connected to a carriage body, in which base plate a through-opening is configured, which is provided to ensure that a carriage body-side end region of the coupling rod extends through said through-opening; and - a push/pull device provided for arrangement on the carriage body-side end region of the coupling rod, said push/pull device having a front spring plate provided for fixing to the coupling rod in front of the base plate in the coupling rod longitudinal direction and a rear spring plate provided for fixing to the coupling rod behind the base plate in the coupling rod longitudinal direction, wherein the push/pull device has at least one front spring element of an elastic material arranged between the base plate and the front spring plate and at least one rear spring element of an elastic material arranged between the base plate and the rear spring plate, wherein the front spring element and the at least one rear spring element are each configured in the shape of a ring or torus in the unloaded state and, in particular, with uncontoured faces, wherein the base plate has an end face facing the front spring element, which end face is contoured, at least in some areas, and wherein the base plate has an end face facing the at least one rear spring element, which end face is contoured, at least in some areas, wherein the contour of the end face of the front spring plate and the contour of the end face of the rear spring plate are continuous and, in particular, do not have any sharp edges, characterized in that the front spring plate has an end face facing the front spring element, which end face is contoured, at least in some areas, wherein the contour of the end face of the front spring plate is complementary to the contour of the end face of the base plate, at least in some areas; or the rear spring plate has an end face facing the at least one rear spring element, which end face is contoured, at least in some areas, wherein the contour of the end face of the rear spring plate is complementary to the contour of the end face of the base plate, at least in some areas. - a base plate that can be connected to a carriage body, in which base plate a through-opening is configured, which is provided to ensure that a carriage body-side end region of the coupling rod extends through said through-opening; - a push/pull device provided for arrangement on the carriage body-side end region of the coupling rod, said push/pull device having a front spring plate provided for fixing to the coupling rod in front of the base plate in the coupling rod longitudinal direction and a rear spring plate provided for fixing to the coupling rod behind the base plate in the coupling rod longitudinal direction, the front spring plate has an end face facing the front spring element, which end face is contoured, at least in some areas, wherein the contour of the end face of the front spring plate is complementary to the contour of the end face of the base plate, at least in some areas; or the rear spring plate has an end face facing the at least one rear spring element, which end face is contoured, at least in some areas, wherein the contour of the end face of the rear spring plate is complementary to the contour of the end face of the base plate, at least in some areas.