Patent ID: 7950724
Filing Date: 2011-05-31
Classification: B60K,B62D

Abstract:
1. A vehicle body rear structure, comprising: first and second rear frames disposed respectively on each side of a vehicle body; and first and second tank lower frames disposed respectively beneath the rear frame on the each side of the vehicle body, wherein the rear frames have a load-displacement characteristic having a ratio F/S of load F to displacement S larger than the ratio F/S of the tank lower frames, and a cross sectional deformation of the tank lower frames is suppressed so that the load F does not rapidly decrease after reaching a maximum of a bending strength, the vehicle body rear structure, further comprising: a rear floor end cross member ( a rear floor cross member ( a middle floor cross member ( a rear floor panel extending toward a rear portion of the vehicle body (B) from the middle floor cross member ( a pair of spare pan frames ( wherein each rear end of the tank lower frames is jointed to substantially a center of the rear floor cross member ( wherein the tank lower frames are disposed beneath the rear frames and a fuel tank (T), and extend substantially horizontally toward the middle floor cross member (