US PATENT SUBCLASS 248 / 430
.~.~.~ Roller or ball

Current as of: June, 1999
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248 /   HD   SUPPORTS

127  DF  STAND {14}
424  DF  .~ Horizontally movable support surface {2}
429  DF  .~.~ On slide or guide {1}
430.~.~.~ Roller or ball

DEFINITION

Classification: 248/430

(under subclass 429) Device in which antifriction elements, that is, balls or rollers, are interposed between the guide and slide elements.