Patent ID: 6550397
Filing Date: 2003-04-22
Classification: B61D

Abstract:
A car body, including side bodies constituted using hollow shape stocks constituted from two face plates and a plurality of ribs connecting said face plates together;said hollow shape stocks placed with extruded directions thereof arranged in the longitudinal direction of said car body; and a plurality of quadrangle windows formed to said hollow shape stocks along said longitudinal direction, wherein a plurality of buckling preventive tools is installed to a plurality of spaces surrounded by said face plate and two ribs of said hollow shape stocks only at locations in said longitudinal direction of corner portions of said windows, in a direction perpendicular relative to said longitudinal direction, with said buckling preventive tools being in contact with said face plate and said two ribs, and wherein said buckling preventive tools are installed only to said corner portions where compressive stress is generated.