Patent ID: 7673890

Claim:
A joint structure for an independent suspension, comprising: a transmission system final case supported by a body frame; left-hand and right-hand driving wheels held by the body frame through left-hand and right-hand suspension arms, respectively; wherein the final case includes: a driven portion to which a driving force of an engine is transmitted; joints adapted to transmit the driving force from the driven portion to left-hand and right-hand axles, each joint having an outer race adapted to connect an end of the axle therewith swingably; and a left-hand joint-part shaft and a right-hand joint-part shaft formed as separate parts, one of which extends from an axial center part of one of the outer races toward the other of the joint-part shafts, wherein the left-hand and right-hand outer races are directly coupled to each other by coupling the respective joint-part shafts with each other, and wherein the left-hand and right-hand joint-part shafts are formed such that one is a male member and the other is a female member and are coupled to each other through a male-female fitting structure, wherein one of the respective outer races of the left-hand and right-hand joints holds a brake disk and the other of the outer races holds a driven sprocket.