US PATENT SUBCLASS 111 / 160
.~.~.~.~.~ Rotatable about vertical axis

Current as of: June, 1999
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111 /   HD   PLANTING

14  DF  DRILLING {12}
149  DF  .~ Furrow opener {7}
157  DF  .~.~ Rotary opener {2}
158  DF  .~.~.~ Power rotated {1}
159  DF  .~.~.~.~ With tine {3}
160.~.~.~.~.~ Rotatable about vertical axis

DEFINITION

Classification: 111/160

Rotatable about vertical axis:

(under subclass 159) Apparatus wherein the tines rotate about an axis which is generally perpendicular to the surface of the soil.

SEE OR SEARCH CLASS

172, Earth Working,

495, for plural driven, contiguous, cooperating, or intermeshing rotary ground-engaging tools which rotate about a vertical axis; and subclass 111 for a single tool which rotates about a vertical axis.