Yoke-trunnion universal joint without needle bearings

Details Yoke-trunnion universal joint without needle bearings Yoke-trunnion universal joint without needle bearings

2008-05-06

2008-05-06

Binda, Greg (Department: 3679)

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

Having lubricating means

Lubricant impregnated into material

C464S136000

Reexamination Certificate

active

07367890

ABSTRACT:
A yoke-trunnion universal joint has a plastic anti-wear coating disposed between the sleeve and trunnion for lubrication, anti wear and absorbing vibration. A combining means combines the plastic anti-wear coating with sleeve or trunnion tightly. The plastic anti-wear coating is made by nylon or polytetrafluoroethylene. The universal joint has a simple structure, long working life, low operating noise and cheap manufacture cost. The most advantage is that the universal joint needs not oil or grease for whole working life. It is an oil or grease free and maintenance free universal joint.

REFERENCES:
patent: 887184 (1908-05-01), Brewer
patent: 3008779 (1961-11-01), Spriggs
patent: 3241336 (1966-03-01), Nemtsov
patent: 3300258 (1967-01-01), Kompanek, Jr. et al.
patent: 3662569 (1972-05-01), Williams
patent: 4512679 (1985-04-01), Petrzelka et al.
patent: 6881151 (2005-04-01), Jantz et al.
patent: 60-95221 (1985-05-01), None

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