Patent ID: 8276976

Claim:
A front part structure of a vehicle body, comprising: a front body including left and right front side frames extending forward from a floor of a passenger compartment; a stiffener; the left and right front side frames each including a frame body having a rectangular closed cross-section; and the frame body including an inner wall defining a lateral inside of the frame body, and an outer wall defining a lateral outside of the frame body; wherein the frame body comprises: a front end; a center; a front half extending from the front end to the center, the front half defining a rectilinear section of the frame body; a rear half contiguous with the rectilinear section and curved laterally inward of the vehicle body, the rear half defining a moment receiving section of the frame body; the rectilinear section having corners including an inner corner defining a first ridge; the stiffener being connected to a rear end of the front side frame; the stiffener having a rectilinear second ridge located within the moment receiving section, the second ridge being connected to the first ridge; and a bulkhead disposed within the front side frame, the first and second ridges being connected to each other with the bulkhead joined to a front section of the stiffener.