Universal joint lubricant retainer

Details Universal joint lubricant retainer Universal joint lubricant retainer

F - Mech Eng,Light,Heat,Weapons

16

D

F16D 3/38 (2006.01) F16C 21/00 (2006.01) F16C 33/66 (2006.01) F16D 3/41 (2006.01)

Patent

CA 2104208

ABSTRACT OF THE DISCLOSURE 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. -17-

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