Socket mounting structure of ball-and-socket joint used for coupling link members for driving a windshield wiper for vehicles

Claim 1

A ball-and-socket joint, comprising: a first link member having a ball fixedly mounted thereon; a second link member; means defining a transverse opening through the second link member; said link member in an annular band perimetrally of the opening extending obliquely to provide a generally frustoconical annular flange extending from said opening; a synthetic resin socket member disposed within the opening and securely engaging two opposite sides of the second link member, both upon said flange and radially outwardly beyond the base of said flange, said socket member being molded in place to effect the recited engagement; means defining a ball receiving socket in said socket member generally centered upon the longitudinal axis of the opening on the side of the second link member from which the annular flange appears to be a depression, the ball being received in the socket and thus lying disposed within the said transverse opening prior to forming said flange thereon having a diameter substantially equal to the diameter of said ball so as to provide a wider remaining portion of said second link member.