| 摘要 |
PROBLEM TO BE SOLVED: To achieve expected impact absorption characteristics through cooperation of a front side frame and an extension frame of a suspension sub-frame.SOLUTION: Extension frames 4 which each protrude toward the front of a cabin under each of right and left front side frames 1 and buckles in the vehicle width direction at the time of a front collision of a vehicle are provided. The front side frames 1 and the extension frames 4 start to deform synchronously after crush cans 25 and 29 each arranged at the front ends of the frames are crushed at the time of the front collision of the vehicle. |
