Patent ID: 6916063

Claim:
A reinforced structure for a rear part of a front side rail of a vehicle, the structure comprising: a front side rail with a downwardly inclined rear part; a rear lower rail with a front side inclined to overlap with the rear part of said front side rail and a horizontally formed back side, wherein said rear lower rail is U-shaped in cross-section; a rear upper rail having a U-shaped cross-section overlapping with the upper side of said rear lower rail; a lower flange formed at both upper edges of said rear lower rail; an upper flange formed at both upper edges of said rear upper rail, wherein said lower flange and said upper flange are coupled to be overlapped; a lower reinforcing member having a U-shaped cross-section, wherein said lower reinforcing member is installed inside said rear lower rail in an area between the front side of said rear lower rail and the horizontal formed back side thereof; and an upper reinforcing member having an n-shaped cross-section mounted inside said rear upper rail in an area between the front part of said rear upper rail and the horizontal formed back side thereof for forming a closed section with said rear upper rail.