Composite encased ball joint

Details Composite encased ball joint Composite encased ball joint

1995-06-07

1997-06-24

Dorner, Kenneth J.

Joints and connections

Articulated members

Pivoted

29898046, 403135, F16C 1100

Patent

active

056412355

ABSTRACT:
A motor vehicle ball joint assembly includes a ball stud having a ball stud axis with a shank portion and a ball end centered thereon. A bearing liner has an open end disposed over the ball end with the open directed toward the shank portion. The bearing liner has a bearing surface engaging the ball end. A plurality of slits extend from the open end of the liner, defining a plurality of flex members. The flex members operably deflect to receive the ball end. When the ball end is completely inserted in the liner, the flex members return to a locked position, axially retaining the ball end in the liner. A stem engaging element has a stem axis and extends radially from the bearing liner. The stem engaging element has metal engaging threads. A rigid plastic case envelopes the bearing liner. The rigid plastic case and bearing liner and the rigid plastic case cooperatively positively lock the ball end within the bearing liner. The rigid plastic case fixes the flex fingers in the locked position, thereby preventing axial displacement of the ball stud from the liner.

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