US PATENT SUBCLASS 312 / 334.17
.~.~.~.~.~ Ball bearing

Current as of: June, 1999
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312 /   HD   SUPPORTS: CABINET STRUCTURE

294  DF  WITH MOVABLE COMPONENTS {21}
330.1  DF  .~ Horizontally movable (e.g., drawer) {10}
334.1  DF  .~.~ Having guide assembly {8}
334.7  DF  .~.~.~ Between vertical sidewalls of drawer and cabinet {4}
334.16  DF  .~.~.~.~ Having anti-friction feature {2}
334.17.~.~.~.~.~ Ball bearing

DEFINITION

Classification: 312/334.17

Ball bearing:

(under subclass 334.16) Cabinet structure wherein the anti-friction feature includes a spherical rolling anti-friction element.