Combination bearing and joint

Claim 1

A BALL JOINT ASSEMBLY FOR CONNECTING A LOAD BEARING MEMBER TO THE DISTAL END OF A LOAD SUPPORTING ARM, COMPRISING: A HOLLOW HOUSING HAVING AN OPENING AT ONE END AND HAVING AN ARCUATE INNER SURFACE OPPOSITE AND ADJACENT THE OPENING; A STUD HAVING AN ENLARGED HEAD END PORTION DISPOSED WITHIN SAID HOUSING AND HAVING A SHANK END PORTION PROJECTING OUTWARDLY THROUGH THE OPENING, THE END OF SAID HEAD END PORTION OPPOSITE SAID SHANK END PORTION HAVING A DIAMETRIC PLANAR END SURFACE INTERSECTED BY A TRUNCATED CONICAL SURFACE PORTION EXTENDING THEREFROM; A PAIR OF SUPERPOSED, ANNULAR, TRUNCATED CONICAL MEMBERS EACH HAVING AN ANNULAR FLANGE OVERLYING AND EXTENDING ABOUT THE DIAMETRIC AND TRUNCATED CONICAL SURFACES OF SAID HEAD END PORTION IN SUPERPOSED RELATION THEREWITH; AND BEARING MEANS INTERPOSED BETWEEN THE OUTERMOST SAID TURNCATED CONICAL MEMBER AND THE INNER WALL SURFACE OF SAID HOUSING OPPOSITE THE OPENING, SAID TRUNCATED CONICAL MEMBERS EACH HAVING OPPOSING PARALLEL SURFACES, THE INNERMOST SAID TRUNCATED CONCIAL MEMBER BEING FORMED IN PLANES MISMATING WITH THE DIAMETRIC AND TRUNCATED CONICAL PLANES OF SAID HEAD END PORTIONS PRIOR TO ASSEMBLY AND PRELOADING OF THE JOINT.