FIELD: automotive industry; strengthening of side doors and walls of car body to protect passengers from side shocks at road accidents. SUBSTANCE: buffer crossmember is made in the form of stamped out elongated multiple chamber section longitudinally divided at one side so that separate chambers thus formed are arranged at acute angle relative to longitudinal axis of crossmember. Connection of buffer crossmember and door frame is provided by spot-welding of bimetallic strip to corresponding ends of crossmember. EFFECT: improved protection of passengers and river. 4 cl, 4 dwg
