US PATENT SUBCLASS 403 / 135
.~.~.~ Including liner, shim, or discrete seat

Current as of: June, 1999
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403 /   HD   JOINTS AND CONNECTIONS

52  DF  ARTICULATED MEMBERS {13}
119  DF  .~ Pivoted {7}
122  DF  .~.~ Universal ball and socket {12}
135.~.~.~ Including liner, shim, or discrete seat {5}
136  DF  .~.~.~.~> Spring acts through wedging surfaces
137  DF  .~.~.~.~> Variably preloaded
138  DF  .~.~.~.~> Spring-biased seat opposite ball stud
139  DF  .~.~.~.~> Porous
140  DF  .~.~.~.~> Completely spacing the members

DEFINITION

Classification: 403/135

(under subclass 122) Structure comprising an element interposed between the members which element forms part or all of one bearing face.

SEE OR SEARCH CLASS

277, Seal for a Joint or Juncture, for a generic sealing

means or process,

507, for a dynamic, circumferential contact seal for other than a piston that accommodates gyrating or oscillating motion using a spherical bearing surface.