Patent ID: 7380830

Claim:
A vehicle front body structure, comprising: a hollow front side frame of closed cross-sectional structure including an outer sidewall facing in a lateral outward direction of a vehicle and an inner sidewall facing in a lateral inward direction of the vehicle, the hollow front side frame having a wheel relief portion having a reduced horizontal width in the lateral outward direction, as compared to remaining portions of the front side frame, and wherein said horizontal width of said wheel relief portion is progressively reduced from a maximum near a top portion of the wheel relief portion to a minimum near a bottom portion of the wheel relief portion, to allow swivel movement of a front wheel of the vehicle, the wheel relief portion having a pair of first reinforcement beads extending in a longitudinal direction of the vehicle and protecting from the outer sidewall and the inner sidewall, respectively, into an internal space of the hollow front side frame, the first reinforcement beads having ton surfaces that are in abutment with each other and firmly fixed together, and wherein the wheel relief portion further has a pair of second reinforcement beads extending in the longitudinal direction of the vehicle and projecting from the outer sidewall and the inner sidewall, respectively, into the internal space of the hollow front side frame, the second reinforcement beads being disposed above the first reinforcement beads and laterally spaced from each other.