US PATENT SUBCLASS 192 / 54.51
.~.~.~ Screw operated

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}
54.5  DF  .~.~ Cam operated {2}
54.51.~.~.~ Screw operated

DEFINITION

Classification: 192/54.51

Screw operated:

(under subclass 54.5) Subject matter wherein the torsional

strain causes movement of a helical thread spline relative to a cooperating structure to affect engagement of the clutch.