Patent ID: 9114767
Filing Date: 2015-08-25
Classification: B60R

Abstract:
1. In a bumper back beam for a vehicle including a bumper back beam body, the bumper back beam body comprising: an impact part positioned in a center portion of the back beam body and having an inner space opened toward an opposite inside portion of the bumper back beam body; and tower parts formed at the rear portions of the both sides of the impact part and fixed to crush boxes which are mounted on the front ends of side members of a vehicle body; and a stiffener received in the inner space of the bumper back beam body and fixed at its both ends to the crush boxes along with the tower parts, wherein the inner space and the stiffener are formed with a curvature which is smaller than that of the bumper back beam such that clearances are formed at both sides between the inner space and the stiffener.