Universal joint

Claim 1

A UNIVERSAL JOINT COMPRISING: ROTARY INPUT AND OUTPUT MEMBERS EACH HAVING FORKED PORTIONS CARRYING ARMS SPACED APART A PREDETERMINED DISTANCE, SAID ARMS OF EACH FORKED PORTION HAVING ANNULAR OPENINGS THEREIN WITH CENTERS ON A COMMON AXIS, SAID ARMS OF EACH YOKE HAVING A PAIR OF OPPOSED OUTWARDLY FACING LOCKING SURFACES, A CROSS MEMBER HAVING TRUNNION PORTIONS ADAPTED TO BE RECEIVED WITHIN THE OPENINGS OF SAID ARMS, BEARING MEANS RECEIVED IN EACH SAID OPENING OF SAID ARMS COMPRISING AN ANNULAR OUTER RACE AND A PLUALITY OFR ROLLER BEARINGS DISPOSED BETWEEN SAID RACE AND SADI TRUNNION PORTIONS, A CLOSURE CAP FITTING OVER EACH OF SAID ARM OPENINGS AND HAVING A CENTRAL PORTION ADAPTED TO EXTEND INTO THE BEARING RACE, CENTERING MEANS ADAPTED TO ALIGN SAID TRUNNION PORTIONS WITH SAID ARMS COMPRISING A FEMALE SOCKET FORMED IN THE OUTER END OF SAID TRUNNION PORTION CONCENTRIC ABOUT THE AXIS THEREOF AND A SEMI-SPHERICAL MALE MEMBER INTERPOSED BETWEEN SAID CLOSURE CAP AND SAID TRUNNION PORTIONS AND ADAPTED TO MATE WITH SAID FEMALE SOCKET, THRUST BEARING MEANS DISPOSED BETWEEN SAID CLOSURE CAP AND SAID TRUNNION PORTION ADAPTED TO PERMIT RELATIVE ROTARY MOVEMENT THEREBETWEEN, AND POSITIVE TIE MEANS EXTENDING BETWEEN OPPOSITELY DISPOSED ARMS OF EACH FORKED PORTION AND HAVING SURFACES ADAPTED TO LOCK WITH SAID LOCKING SURFACES OF AID ARMS WHEREBY ARMS ARE RESTRAINED AGAINST DEFLECTION UNDER HIGH CENTRIFUGAL FORCES.