US PATENT SUBCLASS 172 / 475
.~.~ Plural longitudinally spaced actuators

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

452  DF  WITH ACTUATOR ADAPTED TO LIFT TOOL FOR TRANSPORT ON WHEELED FRAME OR BROADLY CLAIMED IMPLEMENT {37}
474  DF  .~ Tool rocked about independently vertically adjustable transverse axis {1}
475.~.~ Plural longitudinally spaced actuators

DEFINITION

Classification: 172/475

(under subclass 474) Apparatus in which two actuators are carried on the frame and are longitudinally spaced thereon, one of said actuators adjusting the earth working element about the transverse axis and the other actuator adjusting the elevation of the transverse axis.

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