Tie rod ball joint construction

Claim 1

A joint comprising a socket member having a cavity therein opening to the exterior thereof, a stud member having a ball portion received in said cavity and a stud projecting generally axially therefrom to the exterior of said socket member, said ball having a generally spherical bearing surface and an essentially continuous groove in the equatorial area of said generally spherical bearing surface, a bearing seat ring received in said cavity and having a generally spherical surface complimentary to and bearing on at least a portion of said generally spherical surface of said ball, a pin carried by said socket member and projecting into said groove, a ball projecting into said groove and said bearing seat, and said pin, last mentioned ball, and groove being constructed and arranged to essentially prevent pivoting of said members relative to each other in one plane containing the longitudinal axis of said stud member while permitting pivoting of said members relative to each other in a plane at a right angle to said one plane and containing said longitudinal axis of said stud member and permitting said stud member to rotate on its longitudinal axis relative to said socket member.