Homokinetic joint comprising an axially retained tripod element

Details Homokinetic joint comprising an axially retained tripod element Homokinetic joint comprising an axially retained tripod element

1988-09-26

1990-01-16

Stodola, Daniel P.

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

Coupling accommodates drive between members having...

Tripod coupling

464905, F16D 330

Patent

active

048940445

ABSTRACT:
The homokinetic joint has a tripod element connected to one of two shafts to be coupled and a tulip element connected to the other of the shafts. The tripod element includes three trunnions on which are rotatively mounted rollers received in three rolling ways provided in the tulip element. An axial retaining device is provided for maintaining the axial connection of the two parts of the joint and includes an intermediate element defining a convex spherical outer surface received in a concave spherical recess provided in axial branches of the tulip element. The intermediate element has three notches for introducing the three trunnions of the tripod element into the intermediate element and a first planar surface extending perpendicular to the axis of the tripod element and cooperating with a first zone of contact confronting the tripod element. A device is provided for axially retaining the tripod element in the intermediate element. According to the invention, the three introducing notches open into an equatorial cavity in which the tripod element is movable in a direction perpendicular to its axis, the first planar surface being provided on an inner end of the cavity.

REFERENCES:
patent: 4205539 (1980-06-01), Orain

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