| 摘要 |
PURPOSE: Bumper back beam assembly for vehicle is provided to generate surface contact or a plurality of point contacts in low speed collision of bumper back beam, and increase collision area of the low speed collision, thereby prevent damage of the bumper back beam. CONSTITUTION: Bumper back beam assembly includes crash box(200) and bumper back beam(100). The crash box absorbs impact of collision in vehicle. Both ends of the bumper back beam are mounted on the crash box. Surface contact or a plurality of point contacts generate from the bumper back beam, by the collision of the vehicle. [Reference numerals] (AA) Concave portion
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