US PATENT SUBCLASS 111 / 68
.~.~.~ With crank-axle lift

Current as of: June, 1999
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111 /   HD   PLANTING

14  DF  DRILLING {12}
52  DF  .~ Frame and planting-element arrangement {4}
59  DF  .~.~ Main and auxiliary frame {3}
68.~.~.~ With crank-axle lift

DEFINITION

Classification: 111/68

(under subclass 59) Devices wherein the auxiliary frame elevated and depressed by means of a cranked ground-wheel axle forming part of or mounted upon the main or supporting frame of the planter.

SEE OR SEARCH CLASS

172, Earth Working,

395+, for earth-working apparatus having ground wheels mounted on crank axles which are vertically adjustable relative to the frame of the apparatus.