| 摘要 |
PURPOSE: A structure of a crush box for a bumper is provided to improve the joint rigidity by the structure where the bumper is inserted to the crush box. CONSTITUTION: A structure of a crush box for a bumper comprises mounting grooves(11,21) opened to an upper side with respect to the crush box(10,20). The lower end of a back beam(30) is inserted to the mounting groove. The crush box is combined to an outer part(10), curved in a right angle direction where the upper and lower end are along a longitudinal direction, and an inner part(20). The outer part and the inner part are partially cut from the upper end and forms a mounting groove.
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