Rotary shafts – gudgeons – housings – and flexible couplings for ro – Having lubricating means – For coupling having torque transmitted via radially directed...
Patent
1993-04-14
1995-02-14
Denion, Thomas E.
Rotary shafts, gudgeons, housings, and flexible couplings for ro
Having lubricating means
For coupling having torque transmitted via radially directed...
464136, 403 36, 403 39, 403 38, 403 57, 403 74, F16C 124
Patent
active
053890396
ABSTRACT:
A lubrication system is set forth for a universal joint. A cross of the universal joint has four trunnions extending therefrom along two mutually perpendicular lines. Bearing cups are rotatably received on the ends of the trunnions and the cups, in turn, are held by universal joint yokes. Lubrication passages extend from a central portion of the cross outwardly to cavities located at the ends of the trunnions. A passage extension extends substantially through each cavity from the lubrication passage toward the end of the trunnion. A lubricant retainer is of generally inverted U-shaped configuration and extends over the passage extension. The retainer has openings near the bottom of the cavity and is centered in the cavity by a flange on the passage extension or by an outer flange at the edge of the retainer. The retainer prevents air from being trapped in the bottom of the cavity so that the cavity will always be filled with lubricant.
REFERENCES:
patent: 3832865 (1974-09-01), Lewis
patent: 4650440 (1987-03-01), Fisher
patent: 4710150 (1987-12-01), Mangiavacchi
Denion Thomas E.
Gutchess, Jr. Allen D.
The Zeller Corporation
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