US PATENT SUBCLASS 192 / 3.29
.~.~ Having fluid-pressure operator

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

3.21  DF  VORTEX-FLOW DRIVE AND CLUTCH {6}
3.28  DF  .~ Including drive-lockup clutch {2}
3.29.~.~ Having fluid-pressure operator {1}
3.3  DF  .~.~.~> With auxiliary source of pressure

DEFINITION

Classification: 192/3.29

(under subclass 3.28) Device provided with means for causing engagement and disengagement of the drive-lockup clutch, which means is actuated by force applied via a liquid or gaseous medium.

(1) Note. The fluid pressure that actuates the

clutch-operator means may be derived from the toroidal flow of the vortex-flow drive or may be derived from a secondary source of fluid pressure as in subclass 3.3 hereunder.

SEE OR SEARCH THIS CLASS, SUBCLASS:

3.33, for a fluid-pressure operator to engage a clutch other than a drive-lockup clutch) that is combined with a vortex-flow drive.

85+, for a fluid-pressure operator to actuate a clutch, in general.