Patent ID: 6224490
Filing Date: 2001-05-01
Classification: B21K,F16D

Abstract:
A constant velocity joint which comprises:an outer race having a spherical inner surface formed with track grooves each extending in an axial direction thereof;an inner race having a spherical outer surface formed with track grooves equal in number to the number of the track grooves in the outer race;a plurality of torque transmitting balls sandwiched between the inner race and the outer race and accommodated in part in the track grooves in the inner race and in part in the track grooves in the outer race;a cage for retaining the torque transmitting balls while being guided by and between the spherical inner surface of the outer face and the spherical outer surface of the inner race; andan axially extending escapement groove formed in the spherical inner surface and the entry chamfer of the outer race, and wherein at least the track grooves in the outer race and an entry chamfer of the outer race are formed by a plastic working process.