Constant velocity universal joint

Details Constant velocity universal joint Constant velocity universal joint

1993-07-13

1996-04-16

Stodola, Daniel P.

Rotary shafts, gudgeons, housings, and flexible couplings for ro

Coupling accommodates drive between members having...

Tripod coupling

464124, 464132, 464905, F16D 3205

Patent

active

055076939

ABSTRACT:
A constant velocity universal joint of the tripod type has an outer joint part with three axially extending, circumferentially distributed longitudinal recesses with circumferentially distributed opposed tracks. The tracks have surfaces which are grooved so as to have the shape of a circular cylindrical portion. An inner joint part includes three radial circumferentially distributed arms each engaging one of the longitudinal recesses and carrying roller assemblies having roller carriers and roller elements. The roller elements have running faces in the shape of a spherical portion and are axially guided so as to roll on the tracks in the longitudinal recesses of the outer joint part. The roller carriers are guided on the arms so as to be pivotable and longitudinally movable relative to the respective arm axis. The roller elements are coaxially supported on the roller carriers so as to be rotatable, with the roller assemblies consisting of the roller carriers and roller elements, to prevent them from tilting relative to the outer joint part, are supported on the base of the recesses and on longitudinally extending guiding shoulder faces of the outer joint part which radially inwardly adjoin the tracks, with the roller elements, on their respective radial insides, each including an annular shoulder face which adjoins the running face in the shape of a spherical portion and which provides the supporting contact between the respective roller assembly and the guiding shoulder faces.

REFERENCES:
patent: 4379706 (1983-04-01), Otsuka et al.
patent: 4589856 (1986-05-01), Mazziotti et al.
patent: 5171185 (1992-12-01), Schneider
patent: 5209700 (1993-05-01), Bensinger et al.
patent: 5330389 (1994-07-01), Jost et al.
patent: 5362275 (1994-11-01), Girguis

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