US PATENT SUBCLASS 172 / 738
.~.~.~ Relatively adjustable tool and runner


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

681  DF  TOOL, STANDARD OR CONNECTION {32}
734  DF  .~ Adjustable {5}
736  DF  .~.~ Relatively adjustable earth engaging parts {2}
738.~.~.~ Relatively adjustable tool and runner


DEFINITION

Classification: 172/738

(under subclass 736) Apparatus wherein the implement comprises an earth working element and a separate member adapted to slide on the ground, to act as a runner and the two are adjustable with respect to each other.

SEE OR SEARCH THIS CLASS, SUBCLASS:

387+, for implements having runners spaced from the tools and see the definition and Notes thereof for the line.

665, for actuating means for relatively adjusting a tool and runner or depth gauge.

729, for a relatively adjustable symmetrical tool and runner.

SEE OR SEARCH CLASS

111, Planting, 134+, for the combination of a gauged earth working tool and a planting device (e.g., seed depositor).