US PATENT SUBCLASS 74 / 730.1
.~ With fluid drive


Current as of: June, 1999
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74 /   HD   MACHINE ELEMENT OR MECHANISM

640  DF  GEARING {31}
730.1.~ With fluid drive {2}
731.1  DF  .~.~> Condition responsive control
732.1  DF  .~.~> With one or more controllers for gearing, fluid drive, or clutch {1}


DEFINITION

Classification: 74/730.1

With fluid drive:

(under subclass 640) Subject matter wherein gearing is combined with a fluid force torque transmitting device to form a drive train.

SEE OR SEARCH CLASS

60, Power Plants,

325+, for the various pumpmotor drives, per se.

192, Clutches and Power-Stop Control,

3.21+, for a fluid drive of the impeller-turbine type combined with a clutch and 3.34 for the combination with a brake.

475, Planetary Gear Transmission Systems or Components, 22+, for fluid drives used for steering by driving and 31+ for other arrangements of fluid drives with planetary gearing.

477, Interrelated Power Delivery Controls, Including Engine Control, for fluid drives used in combination with interrelated transmission and engine control.