Ball joint

Details Ball joint Ball joint

1980-07-22

1982-03-23

Kundrat, Andrew V.

Joints and connections

Articulated members

Pivoted

F16C 1106

Patent

active

043209831

ABSTRACT:
A ball joint includes a stud ball relatively slidably press-fitted in a ball seat consisting of a material which absorbs moisture or water and thereby expands volumetrically. The ball seat is mounted in a socket and held in position by an end cover. At least one through bore is formed in the socket and/or the end cover in order to maintain the ball seat in contact with ambient air so that the ball seat gradually expands to provide an increased frictional force between the stud ball and the ball seat. The expansion of the ball seat compensates for the gradual decrease in the frictional force with time due to the wear of the relatively sliding elements and permanent deformation of the ball seat.

REFERENCES:
patent: 3041094 (1962-06-01), Herbenar
patent: 3074736 (1963-01-01), Krizman

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