Ball and socket joint and method of making the same

Details Ball and socket joint and method of making the same Ball and socket joint and method of making the same

1975-03-14

1976-03-02

Schroeder, Werner H.

Joints and connections

Molded joint

Including mechanical interlock

403268, 403269, 264242, 425129R, 403122, B25G 334, F16B 1100, F16B 1204

Patent

active

039414957

ABSTRACT:
A ball and socket joint of the type having a plastic ball portion which would interfere with the socket on assembly, has the ball portion molded to an arm concentric with the socket. In making the ball and socket joint, the arm is positioned in a mold and concentrically referenced to the socket. Then the plastic ball portion is molded on the arm using the inside of the socket as the outside spherical surface of the mold. Upon shrinkage of the molded plastic ball, a perfect bearing clearance is obtained, all of the socket inside surface is used as a bearing area and burrs from cuts on the socket to accommodate the interference fit are eliminated.

REFERENCES:
patent: 1900617 (1933-03-01), Ricardo
patent: 2307874 (1943-01-01), Bilde
patent: 3023038 (1962-02-01), White
patent: 3202749 (1965-08-01), White
patent: 3591669 (1971-07-01), Memory
patent: 3785217 (1974-01-01), Peura

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