Patent ID: 6149198
Filing Date: 2000-11-21
Classification: B60G

Abstract:
A suspension arm for fastening wheels to a vehicle having a longitudinal axis, said suspension arm comprising a supporting structure constructed and arranged to elastically absorb transverse and longitudinal forces transferred from the wheels to the supporting structure, said supporting structure comprising:two hollow rear axle supports, each formed by a high interior pressure metal forming process, said hollow rear axle supports each having a variable cross-sectional shape and being connected to one another, said two hollow rear axle supports each extending generally in a direction transverse to said longitudinal axis and being undulated along their respective lengths to define two wave troughs, said two hollow rear axle supports being arranged in opposing relation to each other so that the respective wave troughs contact one another at two points and are welded to one another at said two points; andfastening devices attached at opposite ends of each of said two hollow rear axle supports adapted for fastening said support structure to a vehicle.