.~ With non-driven tool (e.g., plow, harrow, drag, scraper, knife or roll, etc.) {8}
66
.~.~ Cooperating driven cleaner or comminutor and contiguous tool
DEFINITION
Classification: 172/66
(under subclass 63) Apparatus in which the driven earth working element is disposed in contact with or along side of and within the confines of a fixed or rolling earth working element in order, for example, to clean the latter or to treat a furrow slice passing between the two earth working elements.
SEE OR SEARCH THIS CLASS, SUBCLASS:
30, for earth working means combined with driven means for shifting material lying on the surface of the earth without disturbing the soil, the driven means working on material which has not collected on the earth working means rather than on material which has already collected on parts or portions of said earth working means.
39, for cleaners or comminutors which are spaced above the original surface of the undisturbed ground and which cooperate with driven earth working elements.
558, and 606, for devices or machines for scraping the soil from earth working elements.
