Patent ID: 8256980

Claim:
A vehicle suspension assembly comprising: a ball joint housing having an interior receiving space for swivelably supporting a ball stud in the ball joint housing, the ball joint housing having an attachment projection which is formed integrally with the ball joint housing on a cylindrical outer surface thereof, the attachment projection being formed as an annular collar which encircles the ball joint housing and which extends radially outwardly from the ball joint housing; and a suspension control arm comprising a carrier part for connecting a wheel carrier to a vehicle chassis, the carrier part having fastening means for fastening the carrier part to the vehicle chassis and being formed as a double-layer structure comprising spaced apart opposing first and second plates, each of the first and second plates having a through opening for receiving the ball joint housing, the through openings being axially aligned; wherein the cylindrical outer surface of the ball joint housing is concentrically arranged within each respective through opening of the first and second plates, and the attachment projection is sandwiched between spaced apart opposing inner surfaces of the first and second plates of the carrier part such that the cylindrical outer surface of the ball joint housing is spaced from an edge of the through openings; wherein the attachment projection is provided with two opposing annular weld surfaces which are arranged on opposite sides of the annular collar and which are welded to the opposing inner surfaces of the first and second plates of the carrier part; and wherein the through openings of the first and second plates are each defined by an enclosed circular opening or an open recess in the form of a circular segment along an edge of each respective plate.