US PATENT SUBCLASS 172 / 60
.~.~.~ Transverse 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}
57  DF  .~.~ Laterally spaced tools {3}
60.~.~.~ Transverse axes


DEFINITION

Classification: 172/60

(under subclass 57) Apparatus in which the axes of cyclic movement of the spaced earth working elements are coaxial or parallel to each other and are diposed perpendicular to the direction of draft.