US PATENT SUBCLASS 192 / 56.33
.~.~.~.~.~.~ Ball or roller

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

30 R  DF  CLUTCHES {15}
54.1  DF  .~ Torque responsive {7}
56.1  DF  .~.~ Overload release {5}
56.3  DF  .~.~.~ Fluid-operated clutch {1}
56.31  DF  .~.~.~.~ Axially engaged {1}
56.32  DF  .~.~.~.~.~ Positive {1}
56.33.~.~.~.~.~.~ Ball or roller

DEFINITION

Classification: 192/56.33

Ball or roller:

(under subclass 56.32) Subject matter wherein at least one of the formations is a spherical or generally cylindrical member.