Patent ID: 6264565
Filing Date: 2001-07-24
Classification: F16D,Y10S

Abstract:
A tripod type constant velocity universal joint comprising:an outer joint member having equally spaced three guide grooves extending parallel to a rotational axis thereof, each of the guide grooves forming circumferentially opposed tracks;an inner joint member disposed inside the outer member and having three equally spaced trunnions projecting radially outwardly into the guide grooves; andan annular roller rotatably and tiltably carried by each of the trunnions,wherein a convex part-spherical outer periphery of the annular roller is engageable with the tracks of the corresponding guide groove so that the roller rolls therealong, and wherein cooperating rest surfaces for preventing the annular roller from tilting in a plane perpendicular to the axis of the outer joint member are provided at, respectively, an end portion of the annular roller and a portion of the track surface corresponding to said end portion of the roller, wherein said rest surfaces of said annular roller are cylindrical in section.