Patent ID: 8118355

Claim:
A vehicular side body structure, comprising: left and right side sills disposed on left and right side edge portions of a floor of a passenger compartment of a vehicle, left and right front pillars each extending from a front portion of the left or right side sill to a roof, left and right center pillars each extending from a middle portion of the left or right side sill to the roof, each of the left and right side sills comprising an outer side sill member and an inner side sill member fixedly joined with each other such that the side sill has a closed sectional shape extending in a front-rear direction of the vehicle, the outer side sill member including an upper wall section slanting upward in a horizontal, outer-to-inner direction of the passenger compartment, and a lower wall section slanting downward in the horizontal, outer-to-inner direction of the passenger compartment, a bead formed in at least one of the upper and lower wall sections and extending from a front end to a rear end of the side sill, so that the side sill has a polygonal closed sectional shape extending in the front-rear direction of the vehicle, the bead being U-shaped in cross section defined by a pair of side wall portions joined by a bottom portion, the bead having a width, which is a dimension between an outer end and an inner end of the bottom portion thereof, greater than a vertical dimension thereof in a direction orthogonal to a bottom surface of the bottom portion, wherein the bottom portion of the bead is generally parallel with the associated upper or lower wall section.