| 摘要 |
PROBLEM TO BE SOLVED: To provide a frame structure capable of securing the strength of the whole joining part while a sufficient welding strength is secured. SOLUTION: The body frame structure is equipped with side frames 2 formed by joining together front side frames 4 and a floor frame 5 which are overlapped one over the other and furnished with flange parts 43 and ones 53 spreading outward from the opening edges of a pair of side walls 42 and ones 52 and a stiffener 6 provided at the opening edge along the longitudinal direction of the floor frame 5 and forming a closed section with respect to the floor frame 5, wherein the stiffener 6 extends to the front side frame 4 and is welded to the side walls 42 of the front side frame 4. COPYRIGHT: (C)2007,JPO&INPIT
|
