.~ Tool driven about generally vertical axis (e.g., oscillating choppers, etc.) {1}
111
.~.~ Rotary driven tool
DEFINITION
Classification: 172/111
(under subclass 110) Apparatus in which an earth working element is rotatably driven about a vertical axis.
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.
175, Boring or Penetrating the Earth,
170+, for a drive for an earth boring tool, and including a drive for a vertical axis rotary-type earth boring tool which may be manipulatively mounted on a wheeled vehicle.