US PATENT SUBCLASS 172 / 283
.~.~ Interconnected with adjustable tool

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

278  DF  WITH WHEEL STEERING OR ACTUATOR FOR HORIZONTALLY ANGLING WHEEL AXIS {3}
282  DF  .~ Wheel on trailing implement responds to turning movement {3}
283.~.~ Interconnected with adjustable tool

DEFINITION

Classification: 172/283

(under subclass 282) Apparatus wherein the ground wheel and

an earth working element supported by the implement frame are interconnected whereby when the wheel is caused to turn the earth working element is also caused to move relative to the frame.

SEE OR SEARCH THIS CLASS, SUBCLASS:

255, for an implement in which an earth working element is moved vertically responsive to turning.

287, for a steering wheel interconnected with an earth working element wherein the wheel is mounted on a non-self-propelled device.