FRONT OR REAR CROSS WITH PREFERRED EXTREMITES

摘要

The invention relates to a front or rear cross member (2) for a motor vehicle comprising a beam (4) with a central portion (41) and two end portions (42, 43), each of the end portions (42, 43). ) comprising a zone of attachment to a longitudinal box (6) deformable in the event of impact, at least one, preferably each, end portions (42, 43) comprising a cross section corresponding to the cross section of the central portion ( 41) having been crushed in a direction perpendicular to the longitudinal axis of the beam, characterized in that at least one edge (7) of each end portion of the cross member (2) is further curved along a radius curvature greater than or equal to 2.5 mm.