Patent ID: 7704150
Filing Date: 2010-04-27
Classification: F16D,Y10S

Abstract:
1. A slide type constant velocity universal joint comprising: an outer member having a plurality of axially extending track grooves formed in a cylindrical inner circumferential surface thereof; an inner member having a plurality of axially extending track grooves in a spherical outer circumferential surface thereof; a plurality of balls provided in ball tracks defined by cooperation of the track grooves of said outer member and said inner member; and a cage having a plurality of pockets for retaining said balls, wherein: a center of an outer spherical surface of said cage and a center of an inner spherical surface of said cage are offset from each other by an equal distance axially in the opposite directions from a center of a pocket of said cage; the number of the balls is six; and pitches of the ball tracks are random unequal pitches that are at least 55°.