US PATENT SUBCLASS 172 / 301
.~.~ Tools actuated by independent power units


Current as of: June, 1999
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172 /   HD   EARTH WORKING

297  DF  TOOL FORWARD OF REAR OF MOTOR VEHICLE {10}
300  DF  .~ With rearwardly mounted tool {1}
301.~.~ Tools actuated by independent power units {1}
302  DF  .~.~.~> Front and rear independent


DEFINITION

Classification: 172/301

(under subclass 300) Apparatus provided with actuators for independently lifting different earth working elements out of ground contact to transport position said actuators including a plurality of power units comprising independently operated servomotors or power take-offs.

(1) Note. For the meaning of "actuators" see the class definition of "actuator".