Constant velocity universal joint

摘要

A constant velocity universal joint has an outer joint member with a cavity therein and an inner joint member within the cavity. A plurality of torque transmitting balls are positioned within opposed grooves formed in the facing surfaces of the inner and outer joint members. The balls are retained in a ball plane by a cage which has an inner concave surface guided upon a convex spherical surface of the inner joint member and an outer spherical surface guided within a spherical surface of the cavity. A portion of the outer face of the cage has a cylindrical configuration and is so positioned on the cage that the axis of the cylinder forms an angle with respect to the axis of the cage. The diameter of the cylindrical portion is less than the opening in the outer joint member to the cavity.