Patent ID: 9108681
Filing Date: 2015-08-18
Classification: B22D,B60G,B62D,Y10T

Abstract:
1. A vehicle sub-frame comprising: a hollow body extending in a vehicle width direction and having a hollow part thereinside formed by casting using a core; and left and right suspension support parts formed integrally with left and right ends of the hollow body, respectively, for connection with suspension arms, wherein the hollow body includes a front wall located on a front side in a vehicle body, and a rear wall located rearward of the front wall, wherein the front wall and the rear wall have respective bulging sections each formed to bulge outward at a position corresponding to a parting line formed in casting of the sub-frame, and wherein each of the bulging sections is located on a part avoiding a top part of the hollow body and a bottom part of the hollow body.