.~ With non-driven tool (e.g., plow, harrow, drag, scraper, knife or roll, etc.) {8}
67
.~.~ Driven comminutor at outlet of earth guide
DEFINITION
Classification: 172/67
(under subclass 63) Apparatus in which the nondriven earth working element is in the form of a surface adapted to pick up earth and guide it to a driven earth working element which pulverizes said earth.
(1) Note. The guide surface may be in the form of a trough, grate, ramp, or tube.
SEE OR SEARCH THIS CLASS, SUBCLASS:
33, (and see the Notes thereunder) for power driven conveyers which handle severed earth materials after they leave the earth working elements.
