US PATENT SUBCLASS 384 / 567
.~.~.~.~.~ Hollow

Current as of: June, 1999
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384 /   HD   BEARINGS

91  DF  ROTARY BEARING {8}
445  DF  .~ Antifriction bearing {9}
456  DF  .~.~ Radial bearing {9}
548  DF  .~.~.~ Roller bearing {16}
565  DF  .~.~.~.~ Roller structure {3}
567.~.~.~.~.~ Hollow

DEFINITION

Classification: 384/567

Hollow:

(under subclass 565) Subject matter wherein the roller has bore passing entirely through it in the roller's axial direction.