US PATENT SUBCLASS 172 / 503
.~ Actuator slidably connected to tool

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}
503.~ Actuator slidably connected to tool

DEFINITION

Classification: 172/503

(under subclass 452) Apparatus comprising an actuator having a portion pivoted on an axis spaced from the pivot axis of a part of the earth working element, said actuator portion being directly connected to the earth working element by a connection permitting relative sliding motion between the actuator portion and the earth working element part.