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Class Information
Number: 172/120
Name: Earth working > With drive means for tool or cleaner > Tool driven about axis transverse to draft line > Disk or planar cutter (e.g., saw, etc.)
Description: Apparatus in which an earth working element which is driven about an axis extending transversely to the direction of travel is in the form of a generally circular member which may be either flat or dished.

Patents under this class:

Patent Number Title Of Patent Date Issued
8162071 Soil aerator Apr. 24, 2012
5988037 Mine clearing vehicle Nov. 23, 1999
5964049 Trencher Oct. 12, 1999
5829537 Clay court scarifier Nov. 3, 1998
5287934 Soil working implement Feb. 22, 1994
5222562 Cultivator attachment Jun. 29, 1993
5156218 Landscape edging attachment Oct. 20, 1992
5048616 Garden tiller tine assembly Sep. 17, 1991
5038868 Ground cultivator Aug. 13, 1991
4958457 Trench digging or root cutting device Sep. 25, 1990
4869115 Automatic soil sampling machine Sep. 26, 1989
4564073 Plow or harrow Jan. 14, 1986
4469185 Cutter wheel for tillage apparatus Sep. 4, 1984
4416335 Ground-clearing and mound-building scarifier Nov. 22, 1983
4284146 Soil working machine Aug. 18, 1981
4216832 Furrowing tool Aug. 12, 1980
4136744 Ground driven power tillage device Jan. 30, 1979
4094362 Apparatus for fine grading compacted earth Jun. 13, 1978
4059161 Tillage apparatus and improved blade therefor Nov. 22, 1977
4051792 Structural orientation and protective apparatus for tillage assembly Oct. 4, 1977
4047576 Cultivator wheel for agricultural machines Sep. 13, 1977
4043404 Tillage apparatus having improved cutting and drive structure Aug. 23, 1977
3995699 Replaceable insert for agricultural disc Dec. 7, 1976
3958520 Agricultural machine for tilling the soil May. 25, 1976

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