US PATENT SUBCLASS 403 / 129
.~.~.~.~ Spring biased segments

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}
128  DF  .~.~.~ Composite ball {3}
129.~.~.~.~ Spring biased segments

DEFINITION

Classification: 403/129

(under subclass 128) Structure wherein a spring acts between the ball segments.