US Patent 11773897 Ball joint

A ball joint assembly includes a stud member connectable to a first vehicle suspension component and a cup member connectable to a second vehicle suspension component. The stud member includes a shaft portion defining a longitudinal axis, and a ball portion extending longitudinally from one end of the stud. The cup member is a two-piece cup comprising a cup base and a cup cap, with the two pieces being connected to hold the stud ball therebetween. The cup base has castle teeth, and the cup cap may have holes for set screws that interlock with the castle teeth to allow adjustment of the tightness of the ball and cup and to lock the ball into position in the cup.