US PATENT SUBCLASS 192 / 84.1
.~.~ Electric or magnetic

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.~.~ Electric or magnetic {8}
84.2  DF  .~.~.~> Plural coils {1}
84.3  DF  .~.~.~> Including permanent magnet {1}
84.4  DF  .~.~.~> Electrostatic
84.5  DF  .~.~.~> Air gap adjustment {1}
84.6  DF  .~.~.~> Rotary electric motor is clutch actuator
84.7  DF  .~.~.~> Mechanical force increasing means
84.8  DF  .~.~.~> Operator for transversely engaging elements {1}
84.9  DF  .~.~.~> Operator for axially engaging elements {6}

DEFINITION

Classification: 192/84.1

Electric or magnetic:

(under subclass 82) Subject matter, wherein frictional or interlocking engagement of driving and driven clutch parts is effected by attraction between elements having opposite potential or polarity.

SEE OR SEARCH THIS CLASS, SUBCLASS:

3.56, 12, 17, or 18 for an electric or magnetic component involving a clutch and brake system.

21.5, for a field responsive system.

40, for an electric or magnetic component in a manually controlled clutch.

48.2, for an electrically actuated plural clutch assemblage.

53.2, for a positive frictional clutch operated by electric or magnetic means. 54.4, for a magnetic or electromagnetic torque responsive clutch.

56.4, + for an overload release having magnetic or electromagnetic means

69.42, for a wheel hub clutched to axle having electromagnetic means.

90, for an operator that is spring engaged having electric release.

SEE OR SEARCH CLASS

188, Brakes,

158+, for an electric operator for a frictional damping system.

310, Electrical Generator or Motor Structure,

92+, for an electrically operated clutch in a motor or generator.

335, Electricity: Magnetically Operated Switches, Magnets, and Electromagnets,

220+, for electromagnetic operators, per se.

464, Rotary Shafts, Gudgeons, Housings, and Flexible Couplings for Rotary Shafts, 29, for an electrical or magnetic coupling.