Patent ID: 8393669

Claim:
A vehicle frame structure comprising: a tunnel portion provided in a floor; left and right side members each of which includes: a front side member which is at the front of the vehicle and extends in the longitudinal direction of the vehicle on the corresponding left or right side in the vehicle width direction; an inner member that is toward the inside in the vehicle width direction; and an outer member that is toward the outside in the vehicle width direction, the inner member and the outer member branching off from the front side member in a direction that is toward the rear of the vehicle, the inner member extending toward the rear of the vehicle along the tunnel portion, the inner members of the left and right side members being connected together by a plurality of connecting portions in the longitudinal direction of the vehicle at least at a location corresponding to a front portion side of the tunnel portion; left and right side sills each of which extends in the longitudinal direction of the vehicle, and are provided at lower portions of respective left and right side portions of the vehicle; and a cross member that connects front end portions of the left and right side sills together, wherein: the connecting portions break when a front impact load is input to at least one of the side members; and a rear end of the outer member is connected to a front surface of the cross member.