Bearing assembly for connecting two relatively moving members

Claim 1

A BEARING ASSEMBLY COMPRISING: A METALLIC SOCKET MEMBER HAVING A GENERALLY CYLINDRICAL OUTER SURFACE, A FRUSTO-SPHERICAL INNER SURFACE, AND AN APERTURE EXTENDING THROUGH SAID SOCKET AND CONCENTRICALLY SURROUNDING THE AXIS OF SAID CYLINDRICAL PORTION; A BALL MEMBER IN SAID SOCKET POSITIONED FOR PIVOTATION ON SAID FRUSTO-SPHERICAL INNER SURFACE; A STUD SECURED TO SAID BALL MEMBER AND EXTENDING LOOSELY THROUGH SAID APERTURE; A CENTRALLY APERTURED, GENERALLY ANNULAR, HIGH DENSITY SYNTHETIC RESIN CUP WASHER AROUND SAID STUD IN CONTACT WITH SAID CYLINDRICAL OUTER SURFACE, SAID CUP WASHER HAVING AN INNER SURFACE COMPLEMENTARY IN CONFIGURATION TO THE CYLINDRICAL OUTER SURFACE OF SAID SOCKET, AND FURTHER HAVING AN OUTER SURFACE OPPOSITE ITS INNER SURFACE; A CENTRALLY APERTURED, ANNULAR, HIGH DENSITY SYNTHETIC RESIN SHEAT AROUND SAID STUD SOVERING THE OUTER SURFACE OF SAID CUP WASHER, SAID SHEAT HAVING ONE OF ITS SURFACES COMPLEMENTARY IN CONFIGURATION TO THE OUTER SURFACE OF SAID CUP WASHER, AND HAVING ITS SURFACE OPPOSITE SAID ONE SURFACE OF GENERALLY CONVEX CONFIGURATION; A CONNECTING ARM CONNECTED TO THE LOWER END OF SAID STUD FOR MOVEMENT RELATIVE TO SAID SOCKET MEMBER; AND A HIGH DENSITY SYNTHETIC RESIN THRUST WASHER AROUND SAID STUD AND COMPRESSIVELY RETAINED BETWEEN SAID CONNECTING ARM AND SAID SHEAT, SAID THRUST WASHER HAVING A DISHED SURFACE COMPLEMENTARY IN CONFIGURATION TO THE GENERALLY CONVEX SURFACE OF SAID SHEAT AND MATING THEREWITH TO FORM A BEARING.