Deformable suspension arm for automotive vehicle

摘要

A suspension arm adapted for use in a suspension system of an automotive vehicle, the suspension arm being composed of an arm member made of a sheet metal pressed in a predetermined shape and having a pair of spaced front and rear mounting portions mounted on a vehicle body structure at two positions spaced in a fore-and-aft direction of the vehicle and a support portion for supporting a road wheel mounted thereon, wherein the arm member has a deformable portion which is formed to ensure transverse stiffness of the suspension arm in a lateral direction of the vehicle and located between the front and rear mounting portions to be buckled when applied with an impact force in the fore-and-aft direction of the vehicle.