公开(公告)号：US20210268976A1

公开(公告)日：2021-09-02

申请号：US17274054

申请日：2019-07-10

Applicant: ArcelorMittal

Inventor： Elie GIBEAU ,  Yannis KHEYATI ,  Nabil MENEGADY

IPC: B60R19/18

Abstract: A cross member for a bumper beam includes an outer beam, an inner reinforcement element extending inside at least a part of the outer beam inner volume and comprising at least two reinforcement ribs protruding towards the front beam wall, the reinforcement ribs being connected together at least at their back end, opposite to the front beam wall, by an upper transversal branch and a lower transversal branch, the upper and lower transversal branches being attached respectively to the upper and lower beam flanges of the outer beam, wherein each reinforcement rib abuts the front beam wall and the length of the upper transversal branch is less than the length of the upper beam wall and the length of the lower transversal branch is less than the length of the lower beam wall, the lengths being measured in the longitudinal direction.