Tripod type constant velocity joint

Details Tripod type constant velocity joint Tripod type constant velocity joint

1989-07-26

1990-12-18

Stodola, Daniel P.

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

Coupling accommodates drive between members having...

Tripod coupling

464905, F16D 3205

Patent

active

049783254

ABSTRACT:
A constant velocity joint of the tripod type comprises: three raceways in a housing, and three cylindrial rollers mounted movably on each of three trunnions mounted on a shaft. Three U-shaped aligning members are each disposed between the raceway and the cylindrical roller in such a way that the member pinches the cylindrical roller. The aligning member has a contact surface with the raceway as a cylindrical surface, is held in the housing, relatively movable to the raceway having the contact surface with the cylindrical roller as a plane, the plane functioning as a rolling plane of the cylindrical roller. A groove is provided on the surface inside the aligning member or in the central part of the width direction of the surface of the cylindrical roller, forming contact areas with the cylindrical roller and the aligning member on both sides of the groove, and reducing the influence of rolling friction resistance force of the cylindrical roller to an axial force.

REFERENCES:
patent: 1885646 (1932-11-01), Warner
patent: 2595513 (1952-05-01), Cureton
patent: 2722115 (1955-11-01), Dunn
patent: 2926510 (1960-03-01), De Lorean
patent: 3120746 (1964-02-01), Kayser
patent: 4167860 (1979-09-01), Sakaguchi et al.
patent: 4192154 (1980-03-01), Nakamura et al.
patent: 4582502 (1986-04-01), Girguis

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