Ball-and-socket joint assembly tool and method

Details Ball-and-socket joint assembly tool and method Ball-and-socket joint assembly tool and method

1986-12-02

1987-10-27

Echols, P. W.

Metal working

Method of mechanical manufacture

Assembling or joining

291495B, 29453, 29700, 81485, 81488, 403 76, 403373, 403374, B23P 1100, B23P 1102, B23P 1900, B21D 5310

Patent

active

047019905

ABSTRACT:
A self-securing ball-and-socket joint which has a ball head integrally formed on a rod, an outer structural part having a bore that pivotably receives the ball head and a radially elastic CIRCLIP brand retaining ring as well as a separate auxiliary assembly tool for the retaining ring. In the outer structural part beside the center of the ball head, there is a circumferential groove having a support face for the retaining ring. When the ball-and-socket joint is assembled, the retaining ring is first inserted into the circumferential groove. Then the auxiliary assembly tool is inserted into the bore. At its initial end the auxiliary assembly tool is embodied in the manner of a centering and expansion tool, so that it aligns the retaining ring with respect to the circumferential groove and finally forces it into this groove. Upon further displacement of the auxiliary assembly tool, the retaining ring snaps home into a detent notch provided on the circumference of the auxiliary assembly tool. As a result, the retaining ring is prevented from falling out of the outer structural part. For final assembly of the ball-and-socket joint, all that remains to be done is to insert the ball head in the course of which the auxiliary assembly tool moves away from the CIRCLIP retaining ring and the CIRCLIP retaining ring finally snaps home into its securing position in the groove in the rod outwardly of the ball head.

REFERENCES:
patent: 3422520 (1969-01-01), Bannister
patent: 3733966 (1973-05-01), Brown, Jr.
patent: 3806215 (1974-04-01), Price et al.
patent: 3857149 (1974-12-01), Hassan
patent: 3909046 (1975-09-01), Legris
patent: 3918779 (1975-11-01), Halliger et al.

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