US PATENT SUBCLASS 192 / 53.1
.~.~ Frictional and positive

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

30 R  DF  CLUTCHES {15}
52.1  DF  .~ Progressive engagement {4}
53.1.~.~ Frictional and positive {5}
53.2  DF  .~.~.~> Magnetic or electromagnetic operated friction clutch
53.3  DF  .~.~.~> With blocker {6}
53.4  DF  .~.~.~> Lock for positive clutch
53.5  DF  .~.~.~> Axially projecting positive clutch {1}
53.6  DF  .~.~.~> Transversely moving positive clutch

DEFINITION

Classification: 192/53.1

Frictional and positive:

(under subclass 52.1) Subject matter wherein after a preliminary slipping engagement of friction elements, positive clutch elements intermesh to transmit torque without slip.

SEE OR SEARCH CLASS

188, Brakes,

68, for similar action in brakes.