Joints and connections – Articulated members – Pivoted
Patent
1997-07-02
1999-05-18
Kim, Harry C.
Joints and connections
Articulated members
Pivoted
403135, 294411, 29898048, F16C11/06
Patent
active
059044365
ABSTRACT:
A ball and socket joint is disclosed. The joint comprises two hard, self-adjusting, tapered side bearing halves with inner spherical faces. The inner spherical faces are lined with a low friction synthetic filament impregnated fabric overlay bonded to the spherical face by stiff reinforced polymer based adhesives, ceramic based adhesives or other high temperature adhesives. The bearing halves receive a ball stud sphere and are compression pre-loaded into a socket. Bearing taper is controlled so that minute filament particles fill microscopic low places of the stud sphere as the sphere moves or articulates within the bearing against the compressed fabric overlay. The sphere becomes very smooth and minimizes friction within the joint and improves bearing life and performance of the joint. The fabric may also be bonded to an inner surface of a hemispherical cup which is placed adjacent the bearing halves prior to assembly of the joint.
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Brown Richard F.
Maughan Garth B.
Dana Corporation
Kim Harry C.
LandOfFree
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