Patent ID: 7771282

Claim:
A fixed type constant velocity universal joint comprising: an outer member having a multi-layer structure of three or more layers including an outside member, one or more intermediate members, and an inside member, and a spherical inner surface with a plurality of track grooves formed therein; an inner member having a spherical outer surface with a plurality of track grooves formed therein; a plurality of balls each arranged in a wedge-shaped ball track formed by the track groove of the outer member and the track groove of the inner member; a retainer arranged between the spherical inner surface of the outer member and spherical outer surface of the inner member and adapted to retain the plurality of balls; and a fixing means for fit-engaging the inside member with the outside member at an end of the outside member, thereby integrally fixing together the outside member, the one or more intermediate members, and the inside member, wherein at least one of the one or more intermediate members is formed of an elastic material, and wherein the elastic material comprises a rubber material.