Bearing for a ball and socket joint

Details Bearing for a ball and socket joint Bearing for a ball and socket joint

1989-12-20

1991-04-30

Cuomo, Peter M.

Joints and connections

Articulated members

Pivoted

403133, 403140, F16C 1106

Patent

active

050113208

ABSTRACT:
An improved bearing for use in a ball and socket joint is disclosed. The bearing is generally cylindrical in shape, having a recess formed in one end thereof. The recess defines a semi-spherical bearing surface adapted to engage and support a head portion of a ball member of the joint. A plurality of lubricant passageways are formed through the bearing. Each of the passageways extends axially from the semi-spherical bearing surface to an annular channel formed in the opposite end of the bearing. A plurality of grooves are also formed in the opposite end of the bearing. The grooves extend radially inwardly from the channel to a central recess formed in the opposite end of the bearing. The channel functions as a reservoir for lubricant, thereby permitting the joint to be used without frequently re-injecting lubricant therein. An annular bead is formed about the circumference of the channel to provide a seal which prevents lubricant from escaping from the joint.

REFERENCES:
patent: 2527787 (1950-10-01), Berger
patent: 3063744 (1962-11-01), Flumerfelt
patent: 3411815 (1968-11-01), Sullivan, Jr.
patent: 3530495 (1970-09-01), Kindel
patent: 3560035 (1971-02-01), Kindel
patent: 3647249 (1972-03-01), Baba et al.
patent: 3677587 (1972-07-01), Schmidt et al.
patent: 3787127 (1974-01-01), Cutler
patent: 3969030 (1976-07-01), Sullivan
patent: 3999870 (1976-12-01), Clark et al.
patent: 4003667 (1977-01-01), Gaines et al.
patent: 4430016 (1984-02-01), Matsuoka et al.
patent: 4577989 (1986-03-01), Ito
patent: 4790682 (1988-12-01), Henkel

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