US PATENT SUBCLASS 384 / 608
.~.~.~ Concentric rolling members

Current as of: June, 1999
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384 /   HD   BEARINGS

91  DF  ROTARY BEARING {8}
445  DF  .~ Antifriction bearing {9}
590  DF  .~.~ Thrust bearing {11}
608.~.~.~ Concentric rolling members

DEFINITION

Classification: 384/608

Concentric rolling members:

(under subclass 590) Subject matter comprising a plurality of

rows of antifriction elements in concentric relation.

(1) Note. "Concentric" means about the same center point of a circle or sphere, but for purposes of this subclass it shall suffice if radially spaced rolling elements axially overlap.

SEE OR SEARCH THIS CLASS, SUBCLASS:

613, for plural axially spaced rows at balls.

619, for plural axially spaced roller bearing.