Patent ID: 9010849
Filing Date: 2015-04-21
Classification: B62D

Abstract:
1. A front subframe structure for an automotive vehicle, comprising: a pair of right and left side members each extending in a front-rear direction of the vehicle, each of the side members being composed of a pipe-shaped member, and provided with a front-side arm support member for supporting a front portion of a suspension arm and a rear-side arm support member for supporting a rear portion of the suspension arm; a central cross member disposed between the left and right side members to extend approximately linearly in a vehicle width direction so as to couple together respective locations in the side members at each of which the front-side arm support member is provided; a pair of right and left oblique members each extending from a vehicle width directional central portion of the central cross member, in a respective one of right and left directions of the vehicle and obliquely rearwardly and outwardly in the vehicle width direction, each of the oblique members being formed as a single member using a single piece of pipe-shaped member; and a rear cross member extending in the vehicle width direction so as to couple the right and left oblique members together, wherein: each of the rear-side arm support member and the central and rear cross members is formed using a pair of upper and lower plate-shaped members; each of the oblique members has a floor frame attaching portion provided at a rear end thereof and configured to be attached to a floor frame extending in a front-rear direction of the vehicle along a floor panel; each of the side members has a rear end joined to a respective one of the oblique members at a position forward of the floor frame attaching portion; the rear cross member has a tunnel-lower-frame coupling portion configured to be coupled to a tunnel lower frame provided along a lower edge of a floor tunnel formed by causing a vehicle width directional intermediate region of the floor panel to bulge upwardly; and the rear-side arm support member is bridgingly disposed between a rear portion of each of the side members and the floor frame attaching portion of a corresponding one of the oblique members.