Patent ID: 7222911
Filing Date: 2007-05-29
Classification: B62D

Abstract:
1. A vehicle body frame structure comprising a side sill and a rear frame joined together so as to be continuous with each other, with a curved portion formed in the vicinity of a boundary between the side sill and the rear frame; and a side sill side closed cross-sectional structure portion with a first stiffener arranged therein, and a rear frame side closed cross-sectional structure portion with a second stiffener arranged therein that has a different direction of alignment from that of the first stiffener, said side sill side closed cross-sectional structure portion and said rear frame side closed cross-sectional structure portion being provided in said curved portion such that a continuous change is achieved extending from the side sill side to the rear frame side from said side sill side closed cross-sectional structure portion to said rear frame side close cross-sectional structure portion.