Joints and connections – With distinct fluid or article handling or directing feature – Pressure fitting
Patent
1981-04-06
1983-11-15
Kundrat, Andrew V.
Joints and connections
With distinct fluid or article handling or directing feature
Pressure fitting
403 39, 403138, F16C 1100
Patent
active
044152914
ABSTRACT:
A ball and socket joint having a ball provided with an integral stud projecting outwardly through an end of the socket, a portion of the peripheral spherical surface of the ball being in swivelling sliding engagement with a corresponding partial spherical bore in the socket, and a generally disk-shaped retainer member holding the ball in assembly in the socket and applying a pre-load bias to the ball urging the bearing spherical surfaces in mutual engagement, the retainer member having an integral or separate spherical recess in swivelling sliding engagement with a portion of the peripheral surface of the ball opposite to the stud. The ball is a full ball or alternatively a partial ball having a substantially hemispherical protuberance of smaller diameter in engagement with the spherical recess in the retainer member. The pre-load bias is applied either directly by the retainer member as a result of being elastically stressed during assembly of the elements by swaging of the rim of the socket, or is provided by a frusto-conical spring member engaged against the periphery of the retainer member and flattened during assembly or by a dished spring member in direct engagement with the peripheral spherical surface of the ball and elastically deformed through engagement with the retainer member during assembly of the joint.
REFERENCES:
patent: 2707645 (1955-05-01), Moskovitz
patent: 3791748 (1974-02-01), Goodrich, Jr. et al.
patent: 4035094 (1977-07-01), Herbeuar
patent: 4113396 (1978-09-01), Smith
Gulf & Western Manufacturing Company
Kundrat Andrew V.
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