US PATENT SUBCLASS 172 / 49.5
.~.~.~ Rotating about vertical axes

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

35  DF  WITH DRIVE MEANS FOR TOOL OR CLEANER {37}
48  DF  .~ Plural driven tools {6}
49  DF  .~.~ Contiguous cooperating or intermeshing rotary ground engaging tools {1}
49.5.~.~.~ Rotating about vertical axes

DEFINITION

Classification: 172/49.5

Rotating about vertical axes:

(under subclass 49) Apparatus in which the axes, about which the earth working elements travel, are disposed in a generally vertical direction.

(1) Note. This subclass includes patents whose sole specific disclosure is to an implement in which the elements cooperate to work a continuous strip of soil.

SEE OR SEARCH THIS CLASS, SUBCLASS:

59, for patents in which the tools, as disclosed, are laterally spaced so as to leave a strip of unworked soil between the tools.

111, for patents wherein a single tool, rotating about a vertical axis, is disclosed and claimed.

SEE OR SEARCH CLASS

111, Planting, 160, for a power- driven earth working tool, rotatable about a vertical axis, which is claimed in combination with a planting machine.