Patent ID: 9527368
Filing Date: 2016-12-27
CPC Classification: B60G

Claim Text:
1. A twist beam axle assembly suited for use as a drop beam axle, comprising a straight cross-beam, right and left rigid longitudinal arms mounted at opposed ends of the cross-beam, and right and left wheel mounting members also mounted at said opposed ends of the cross-beam, each of said right and left wheel mounting members having a vertical member extending upwardly relative to the cross-beam, said wheel mounting members being shaped on upper portions thereof to be mounted to a wheel support assembly and having on lower portions thereof an axle locating portion, said axle locating portion matingly receiving a corresponding end portion of said cross-beam, said right and left arms having at one end an axle locating portion matingly receiving the corresponding end portion of said cross-beam, said cross-beam having an open cross-section and being rigid in bending but flexible in torsion, the open cross-section of said cross-beam having horizontal and vertical lines of symmetry, but asymmetric horizontal and vertical geometries, wherein said cross-beam is set in the axle locating portions of said right and left arms and said wheel mounting members with an interference fit, wherein said right and left arms are adapted to be joined to the chassis frame of the vehicle, wherein said cross-beam has a section in a shape of an asymmetric cross potent.