Patent ID: 7556273
Filing Date: 2009-07-07
Classification: B29L,B60G,Y10T

Abstract:
1. A control arm structure for a wheel suspension of a motor vehicle, comprising a shell body made through a sheet forming process and including a center web, plural flank portions extending from the center web in a same direction, and a latticed reinforcement made of plastic and interconnecting the flank portions, said shell body having a tensile strength of at least 800 MPa and including a leading control arm and a trailing control arm, wherein the latticed reinforcement includes crossing ribs intersecting at intersections which are disposed on an imaginary center line between the flank portions and spaced from one another at a distance which is smaller in an area of the trailing control arm than in an area of the leading control arm, with the area of the trailing arm having a tensile strength which is greater than a tensile strength in the area of the leading control arm.