Universal joint
AssigneeSKF Industrial Trading and Development Company, B.V.
InventorZvonimir Z. Kumpar
Life of this patent
Estimating the term…
Abstract
A homokinetic coupling with an inner ring contained within a groove-like ball race within the outer ring, and with a series of flattened balls therebetween for imparting rotation and transmitting forces, the balls being at least partially enclosed by a flexible annular ball cage.
Claims9
A universal coupling comprising an outer ring having a generally spherical inner surface defining a cavity, an inner ring having a generally spherical outer surface situated in and corresponding to said inner surface, a plurality of generally axially extending raceways, each formed as a groove-like outer ring race and a mating groove-like inner ring race in the inner and outer surfaces respectively, a plurality of balls flattened on one face movably situated in each of said raceway, the flat face of each ball engaging the curved outer surface of an inner ring race, and a flexible ball cage situated between said inner and outer surfaces and having a plurality of apertures with one of said balls extending through and being guided by each of said apertures.
Dependencies are inferred from the claim text.