Patent ID: 9616930
Date: 2017-04-11
CPC Classifications: B62D

Claim:
1. A suspension frame structure comprising: a suspension frame extending in a vehicle width direction in a lower part of a vehicle, suspension arms being fixed to outer sides of the suspension frame in the vehicle width direction, and an engine mount being attached to a center of the suspension frame in the vehicle width direction, and first extension brackets for connecting the suspension frame to vehicle body structural members, wherein the suspension frame includes: wherein the first extension brackets are respectively attached to rear edges of the right rear fixing portion and the left rear fixing portion, extend toward a vehicle rear side, and are fixed to the vehicle body structural members, wherein contours of the first extension brackets on an interior side of the vehicle extend along a circular arc-shaped locus that connects positions of the vehicle body structural members to which the first extension brackets are fixed and a position of the central portion to which the engine mount is attached, as viewed from an upper side of the vehicle, and wherein tangents at front ends of the contours, extending along the circular arc-shaped locus, of left and right extension brackets of the first extension brackets respectively pass through positions of the right front fixing portion and the left front fixing portion to which the suspension arms are fixed.