US PATENT SUBCLASS 192 / 84.3
.~.~.~ Including permanent magnet


Current as of: June, 1999
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192 /   HD   CLUTCHES AND POWER-STOP CONTROL

30 R  DF  CLUTCHES {15}
82 R  DF  .~ Operators {18}
84.1  DF  .~.~ Electric or magnetic {8}
84.3.~.~.~ Including permanent magnet {1}
84.31  DF  .~.~.~.~> And electromagnet


DEFINITION

Classification: 192/84.3

Including permanent magnet:

(under subclass 84.1) Subject matter, wherein a material which naturally attracts iron provides opposite polarities that affect engagement of the driving and driven clutch parts.