US PATENT SUBCLASS 172 / 316
.~ Servo-motor on implement

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172 /   HD   EARTH WORKING

315  DF  ACTUATOR ON TRAILING IMPLEMENT, CONTROLLED FROM PROPELLING VEHICLE {1}
316.~ Servo-motor on implement

DEFINITION

Classification: 172/316

(under subclass 315) Apparatus in which the actuator is a servomotor carried by the implement.

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

SEE OR SEARCH THIS CLASS, SUBCLASS:

491, for implements liftable for transport on a wheeled frame by means of a servo-motor.