US PATENT SUBCLASS 384 / 102
.~.~.~ Backup

Current as of: June, 1999
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384 /   HD   BEARINGS

91  DF  ROTARY BEARING {8}
100  DF  .~ Fluid bearing {5}
101  DF  .~.~ With antifriction bearing {1}
102.~.~.~ Backup

DEFINITION

Classification: 384/102

Backup:

(under subclass 101) Subject matter wherein the antifriction bearing functions as a backup bearing during fluid bearing breakdown, during start-up, or low, or reversed speeds.