Patent ID: 7025410

Claim:
A vehicle front structure comprising: a pair of side members longitudinally located on right and left sides of a vehicle; a pair of sub side members juxtaposed to the respective side members and adapted to receive an impact load in the event of a frontal collision after the side members receive the impact load; wherein front ends of the pair of side members are located ahead of front ends of the pair of sub side members; wherein the front ends of the pair of side members are located a predetermined distance (c) ahead of the front ends of the pair of sub side members, and wherein the predetermined distance (c) is set based on a long-side length (d) and a short-side length (e) in a rectangular section of the side members and a long-side length (f) and a short-side length (g) in a rectangular section of the sub side members; and wherein a bumper reinforcement with a longitudinal width (h) is attached to the front ends of the pair of side members and a cross member with a longitudinal width (i) is attached to the front ends of the pair of sub side members, and wherein the predetermined distance (c) is represented by Eq (i) below: c = k ⁢ { 5 8 ⁢ ( d + e ) - 1 8 ⁢ ( f + g ) } - h + i , 0.5 ≤ k ≤ 2. ( i )