Ball joint structure

Details Ball joint structure Ball joint structure

1984-06-29

1985-11-12

Kundrat, Andrew V.

Joints and connections

Articulated members

Including static joint

403 71, 403134, F16C 1106

Patent

active

045524807

ABSTRACT:
A ball socket member molded of resilient resin material is open at one end to receive and retain a ball in a part spherical cavity within the body communicating with a chamber containing a lubricant. The socket member carries a skirt at its open end which is adapted to form a seal with a member which carries the ball to prevent leakage and/or contamination of lubrication contained within the body cavity. Relief grooves are formed in the socket member which distribute lubricant on the ball and vent excess lubrication from the cavity as the ball is pressed into the cavity. The socket member has a polygonal external surface having a circumferential groove formed therein which receives the portion of the linkage member surrounding a complementary polygonal opening therein, so as to anchor the socket member against rotation relative to the linkage member.

REFERENCES:
patent: 3389925 (1968-06-01), Gottschald
patent: 3749431 (1973-07-01), Schmid et al.
patent: 3853414 (1974-12-01), Hirano et al.
patent: 3861812 (1975-01-01), Ito
patent: 4266883 (1981-05-01), Riester et al.

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