Patent ID: 8499457
Filing Date: 2013-08-06
Classification: B60B,F16D,Y10T

Abstract:
1. A method of manufacturing a fixed type constant velocity universal joint, the fixed type constant velocity universal joint comprising: an outer joint member having a cupped shape so as to open at one end and having an inner spherical surface provided with a plurality of track grooves extending in an axial direction; an inner joint member having an outer spherical surface provided with a plurality of track grooves extending in the axial direction in pairs with the plurality of track grooves of the outer joint member; a plurality of balls interposed between the plurality of track grooves of the outer joint member and the plurality of track grooves of the inner joint member so as to transmit torque; and a cage interposed between the inner spherical surface of the outer joint member and the outer spherical surface of the inner joint member so as to hold the plurality of balls, wherein at least one of the plurality of track grooves of the outer joint member and the plurality of track grooves of the inner joint member is formed by cold-forging finishing, the method comprising: