US PATENT SUBCLASS 192 / 84.96
.~.~.~.~ Fixed concentric coil

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}
84.9  DF  .~.~.~ Operator for axially engaging elements {6}
84.96.~.~.~.~ Fixed concentric coil {1}
84.961  DF  .~.~.~.~.~> With pulley or gear

DEFINITION

Classification: 192/84.96

Fixed concentric coil:

(under subclass 84.9) Subject matter, wherein a stationary, annular electromagnetic coil surrounds the clutch axis and magnetizes one of the driving and driven clutch parts to provide a pole piece which attracts the other of the driving and driven clutch parts into engagement therewith.