US Patent 7980575 Four-point link

A four-point link for suspending a vehicle axle (36) on a vehicle frame (35) of a vehicle (11). The four-point link includes four link arms (2, 3, 4 and 5) which are fixed to one another by a central region (6) and which extend away from the central region (6) to form a cross. Two first link arms (2, 3) may be connected, in an articulated manner, to the vehicle frame (35) and two second link arms (4, 5) may be connected, in an articulated manner, to the vehicle axle (36). Each of the link arms (2, 3, 4, 5) has an H-shaped profile (13) which is open transverse or vertically with respect to the cross plane (20).