Motor-vehicle constant-velocity joint with grooved running surfa

Details Motor-vehicle constant-velocity joint with grooved running surfa Motor-vehicle constant-velocity joint with grooved running surfa

1992-01-17

1994-11-08

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

053622758

ABSTRACT:
A constant-velocity joint has an outer member formed centered on an axis with three radially inwardly open and axially extending channels each having a pair of angularly confronting and axially extending inner running surfaces that are each concave toward the other inner running surface of the respective pair, an inner member formed centered on a respective axis with three radially outwardly projecting trunnions each engaged in a respective one of the channels and each defining respective radially extending trunnion axes, and respective annular rollers rotatable on the trunnions about the respective trunnion axes and having outer running surfaces riding on the inner running surfaces of the respective channels and each radially outwardly convex relative to the respective trunnion axis. One of each of the inner and outer running surfaces is formed with a central noncontact strip offset away from the respective running surface it engages so that the outer and inner running surfaces only engage each other to either side of the strip. In addition each outer running surface is axially fixed relative to the respective trunnion axis and each of the rollers is formed at the respective outer surface as a single unitary piece.

REFERENCES:
patent: 3748869 (1973-07-01), Orain
patent: 4379706 (1983-04-01), Otzuka
patent: 4775355 (1988-10-01), Mizukoshi
patent: 4786270 (1988-11-01), Iwasaki
patent: 4978325 (1990-12-01), Mizukoshi

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