US PATENT SUBCLASS 172 / 65
.~.~ Interdigitating non-driven and driven tools

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

35  DF  WITH DRIVE MEANS FOR TOOL OR CLEANER {37}
63  DF  .~ With non-driven tool (e.g., plow, harrow, drag, scraper, knife or roll, etc.) {8}
65.~.~ Interdigitating non-driven and driven tools

DEFINITION

Classification: 172/65

(under subclass 63) Apparatus in which earth working portions of the non driven earth working elements intermesh or interdigitate with earth working portions of the driven earth working elements.

SEE OR SEARCH THIS CLASS, SUBCLASS:

49, for a plurality of driven, rotary earth working elements which are disposed in intermeshing relation to each other.