Joints and connections – Articulated members – Pivoted
Patent
1996-09-23
1998-07-21
Stodola, Daniel P.
Joints and connections
Articulated members
Pivoted
403122, 403133, 403140, F16C 1100
Patent
active
057825742
ABSTRACT:
A ball-and-socket joint for motor vehicles with a lining (30) consists of an elastic plastic material that is inserted between a socket (40) and a ball (2) of a rotatable or tiltable ball-ended shaft (1) and braced in the socket (40) with its outer surface, whereby lubricating pockets (6) are formed on the inner side of the lining (30) under the influence of a joint prestress or load. In order to lower the release torque while simultaneously improving the lubrication effect and extending the service life of the ball-and-socket joint, the surface of the lining (30) that adjoins the socket (40) is provided with a number of flat portions (34) or elevations (35) that, in the assembled state of the ball-and-socket joint, form lubricating pockets (6 or 7) on the inner side of the lining (30) that faces the smooth ball (2) due to the grease filling.
REFERENCES:
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patent: 3856423 (1974-12-01), Uchida
patent: 4577988 (1986-03-01), Gollub et al.
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patent: 5188476 (1993-02-01), Mori
patent: 5509748 (1996-04-01), Idosako et al.
patent: 5549700 (1996-08-01), Graham et al.
Lev Bruce A.
Stodola Daniel P.
TRW Fahrwerkesystems GmbH & Co.
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