US PATENT SUBCLASS 403 / 158
.~.~.~.~ With interposed antifriction means

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

52  DF  ARTICULATED MEMBERS {13}
119  DF  .~ Pivoted {7}
150  DF  .~.~ T-pivot, e.g., wrist pin, etc. {5}
157  DF  .~.~.~ Fork and tongue {2}
158.~.~.~.~ With interposed antifriction means

DEFINITION

Classification: 403/158

(under subclass 157) Structure wherein antifriction means is interposed either between the members or a member and a pivot pin.