Patent ID: 6227978
Filing Date: 2001-05-08
Classification: F16D,Y10S

Abstract:
A constant velocity tripode joint comprising:an outer joint part with an inner aperture and a plurality of uniformly circumferentially distributed recesses that widen said inner aperture and that each include two opposed tracks;an inner joint part with a center piece and a plurality of uniformly circumferentially distributed tripode arms arranged radially relative to said center piece and each of which extends into one of said recesses;a roller assembly is rotatably supported on each of said tripode arms and in rolling contact with said opposed tracks of a respective recess, each roller assembly comprising at least two rollers that are independently rotatable relative to their respective tripode arm and that are at least indirectly supported on said tripode arm in a radial direction relative to the axis of said arm;at least a first of said rollers rolling on a first of said opposed tracks and spaced from a second of said opposed tracks;at least a second of said rollers rolling on said second of said opposed tracks and spaced from said first of said opposed tracks; andsaid first roller rotatably supported on its respective tripode arm and said second roller rotatably supported on said first roller.