Patent ID: 8113527

Claim:
Cross-member ( 12 ) for a twist-beam axle rear suspension ( 10 ) for a motor vehicle, comprising first and second beam elements ( 20 , 22 ) which have an open cross-section and are firmly secured to each other so as to enclose a closed cross-section chamber ( 32 ) having such shape and sizes as to provide the cross-member ( 12 ) with the desired torsional stiffness, wherein a free edge ( 20 a ) of the first beam element ( 20 ) is firmly secured to the outer surface of an intermediate portion ( 22 c ) of the second beam element ( 22 ) and a free edge ( 22 a ) of the second beam element ( 22 ) is firmly secured to the inner surface of an intermediate portion ( 20 b ) of the first beam element ( 20 ).