Patent ID: 6579188
Filing Date: 2003-06-17
Classification: F16D,Y10S

Abstract:
A constant velocity universal joint comprising:an outer joint member having three track grooves each having circumferentially-opposed roller guideways; a tripod member having three radially-projecting trunnions; a roller inserted in each of the track grooves; and a support ring mounted on each of the trunnions to support the roller rotatably, the roller being movable in axial directions of the outer joint member along the roller guideway, wherein: the support ring has a cylindrical inner periphery; and the outer periphery of the trunnion is curved in longitudinal section, and formed in cross section so as to make contact with the inner periphery of the support ring in a direction perpendicular to the axis of the outer joint member and create a clearance with the inner periphery of the support ring in an axial direction of the outer joint member.