US PATENT SUBCLASS 403 / 122
.~.~ Universal ball and socket

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

52  DF  ARTICULATED MEMBERS {13}
119  DF  .~ Pivoted {7}
122.~.~ Universal ball and socket {12}
123  DF  .~.~.~> Including internal tie means
124  DF  .~.~.~> Plural concave surfaces with diverse curvature {2}
127  DF  .~.~.~> Swiveled ball parts or seat
128  DF  .~.~.~> Composite ball {3}
132  DF  .~.~.~> Elastomerically biased or backed components
133  DF  .~.~.~> Elastomeric seat
134  DF  .~.~.~> Externally packed
135  DF  .~.~.~> Including liner, shim, or discrete seat {5}
141  DF  .~.~.~> Divided socket-type coupling
142  DF  .~.~.~> Bifurcated socket
143  DF  .~.~.~> Separable socket sections
144  DF  .~.~.~> Spring-biased

DEFINITION

Classification: 403/122

(under subclass 119) Structure comprising members having mating surfaces, at least one of which is concave and one of which constitutes a ball or the equivalent, to permit limited relative movement of the members in more than one plane.

SEE OR SEARCH THIS CLASS, SUBCLASS:

56, for plural ball and socket connections.

75, for a rigid joint and an angled or offset ball and socket joint.

76+, for a ball and socket joint and a rigid joint.

90, for a ball and socket joint which is lockable at a selected angle.

SEE OR SEARCH CLASS 128, Surgery,

122, for a ball and socket connection between elements of a truss.

248, Supports,

181.1+, for a ball and socket joint associated with an adjustable article supporting head on a stand.

278, Land Vehicles: Animal Draft Appliances,

80, for a thill coupling including a ball and socket.

280, Land Vehicles,

511+, for a ball and socket connection between articulated vehicles.

285, Pipe Joints or Couplings,

51, 135, 138.1, 146.1+, and 261+ for similar structure associated with a pipe joint.