Patent ID: 6679523
Filing Date: 2004-01-20
Classification: B60G,B62D

Abstract:
A sub-frame structure of a motor vehicle comprising:a pair of side frame sections extending in a longitudinal direction at predetermined lateral spacing, each side frame section respectively including a bend which bend laterally inward relative to the lateral spacing between front ends of the side frame sections; a cross member section connecting the front ends of said side frame sections; wherein said cross member section and end portions of the side frame sections including the front ends of the side frame sections connected to said cross member section are integrally formed of a deformed tube member and remaining portions of said side frame sections including said bends are formed of a closed section member fabricated by joining a plurality of members at flanges; mounts respectively provided in each bend of the side frame sections formed of said closed section member for mounting suspension arms to the side frame sections, each of said mounts includes a mounting member having an inverted U-shaped member oriented to open laterally; and reinforcing members extending forwardly from said mounting members into said side frame sections.