Dana Corporation

Douglas V Massey

Mickey L Love

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.

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Oklahoma City, OK, United States of America

Douglas V Massey