Patent ID: 6685572
Filing Date: 2004-02-03
Classification: F16D,Y10T

Abstract:
A constant velocity joint comprising:a shaft member; and an inner ring disposed on an outer periphery of the shaft member, wherein the outer periphery of the shaft member is provided with, teeth adapted to fit in teeth of the inner ring, and a plain portion, wherein said shaft member and the inner ring are thereby connected for mutual torque transmission, wherein troughs of the teeth of the shaft member are increased in diameter at least at one axial end of the troughs, defining diametrically increased regions, and a terminal edge of a ridge of the shaft member is diametrically decreased and connected to the plain portion, and wherein fit regions for fitting in the teeth of the inner ring are formed in said diametrically increased regions of the troughs of the teeth of the shaft member, said fit regions being located radially inwardly of an outer periphery level of the plain portion.