Ball joint with spacer cup

Joints and connections – Articulated members – Including static joint

Reexamination Certificate

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Details

C403S131000

Reexamination Certificate

active

07600940

ABSTRACT:
A ball joint includes a housing extending between open and closed ends. The housing has a cavity with a cylindrical wall extending from adjacent the closed end to an annular flange adjacent the open end. A stud extends into the cavity. An inner bearing element has a bore configured to slide relative to the stud and an outer bearing surface. An outer bearing element is configured to slide relative to the housing and has an inner bearing surface for pivotal movement with the inner bearing element outer bearing surface. An annular cup is disposed between the closed end of the housing and the outer bearing element. The cup can slide relative to the housing and has a bore allowing axial movement of the stud. A spring member imparts an axial bias force on the cup and imparts a preload between the outer bearing element and the inner bearing element.

REFERENCES:
patent: 2110148 (1938-03-01), Gross
patent: 2521335 (1950-04-01), Booth
patent: 2636758 (1953-04-01), Flumerfelt
patent: 3166333 (1965-01-01), Henley
patent: 4101227 (1978-07-01), Herbenar et al.
patent: 4154544 (1979-05-01), Gair
patent: 4765770 (1988-08-01), Buhl
patent: 6010272 (2000-01-01), Littman

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