Patent ID: 6270153
Filing Date: 2001-08-07
Classification: B62D

Abstract:
A vehicle body structure for an automotive vehicle comprising:left and right front side frames provided at a front portion of a vehicle body so as to hold a longitudinal center line of said vehicle body therebetween,left and right rear side frames provided at a rear portion of said vehicle body so as to hold said longitudinal center line of said vehicle body therebetween;a first member and a second member disposed lower than said front side frames and said rear side frames when viewed from the side of said vehicle body, said first member being left and right floor frames provided so as to hold said longitudinal center line of said vehicle body therebetween, said second member being left and right side sills provided so as to hold said longitudinal center line of said vehicle body therebetween, said front side frames, rear side frames and at least one of said first and second members being connected to each other;a floor tunnel extending along the longitudinal center line of said vehicle body between said front side frames and said rear side frames, said floor tunnel defining a bottom-opened substantially U-shaped cross-sectional structure;auxiliary frames provided at an upper portion of said floor tunnel and each defining a closed cross-sectional annular structure; andextending portions extending from said auxiliary frames to join said auxiliary frames to said front side frames and said rear side frames and defining a closed cross-sectional annular structure.