Patent ID: 7861364

Claim:
A ball-and-socket drive joint, comprising: (a) a shaft; (b) a drive ball located on said shaft, said shaft having an outer end defining an internally threaded bore; (c) a first coupling member including a first socket engaging said drive ball, said first coupling member having a convex outer surface extending around at least a portion of said first socket, said first coupling member defining a central opening through said first coupling member, and said shaft extending through said opening; (d) a second coupling member including a second socket and having a central opening extending through said second socket, said convex outer surface of said first coupling member fitting matingly in said second socket and said first coupling member being angularly moveable in said second socket; and (e) a threaded retainer interconnected with said internally threaded bore of said shaft and keeping said first and second coupling members from being separated from said shaft.