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Class Information
Number: 172/574
Name: Earth working > Rolling, rotating or orbitally moving tool > Plural disks with individual mount or axis
Description: Apparatus in which the rolling or rotating earth working element is generally a circular platelike member, and there are a plurality of such members, each of which is disclosed as having an individual axle or is disclosed as revolving about an individual axis, at least in one position of adjustment.










Sub-classes under this class:

Class Number Class Name Patents
172/575 Touching disks 16
172/576 With interconnected means for adjusting a plurality of disks 4


Patents under this class:
1 2

Patent Number Title Of Patent Date Issued
8505473 Paired single disc opener unit Aug. 13, 2013
8047301 Disc gang assembly for an agricultural implement Nov. 1, 2011
7832345 Crop debris clearing device Nov. 16, 2010
7669536 Paired single disc opener unit Mar. 2, 2010
7240627 Crop debris clearing device Jul. 10, 2007
7216596 Agricultural apparatus May. 15, 2007
7104206 Agricultural apparatus Sep. 12, 2006
RE38974 Agricultural disc mounting system and method Feb. 14, 2006
6913085 Single standard double disk configuration Jul. 5, 2005
6330922 Bedding plow featuring a center-cut disk assembly having resilient relief means Dec. 18, 2001
6279666 Row crop debris clearing apparatus Aug. 28, 2001
6213035 Furrow opening disc apparatus Apr. 10, 2001
6158523 Agricultural disc mounting system and method Dec. 12, 2000
5957217 Strip tillage apparatus Sep. 28, 1999
5785129 Row crop cultivator having a fixed depth of penetration Jul. 28, 1998
5752454 No-till disk opening system and method May. 19, 1998
5628373 Earth working implement May. 13, 1997
5622228 Tool for making raised beds Apr. 22, 1997
5613566 Row crop stalk and root remover Mar. 25, 1997
5609114 No-till disk opening system and method Mar. 11, 1997
5497836 Row cleaner Mar. 12, 1996
5482120 Method and apparatus for removing plant stalks Jan. 9, 1996
5462124 Dual coulter device Oct. 31, 1995
5458203 Device for working the ground Oct. 17, 1995
5437336 Method and apparatus for creating an advantageous growing zone in a soilbed having a topsoil stratum and a hardpan stratum Aug. 1, 1995
5259460 Device for working the ground Nov. 9, 1993
5152349 Coulter assembly for deep tillage apparatus Oct. 6, 1992
5080178 Agricultural tillage implement with improved soil leveler using staggered discs Jan. 14, 1992
4928774 Cultivator with improved disc positioning means May. 29, 1990
4896443 Ditch forming apparatus Jan. 30, 1990
4883127 Sprayer marker Nov. 28, 1989
4867247 Bedding plow Sep. 19, 1989
4815544 Cultivator disc adjuster Mar. 28, 1989
4785891 Tilling ridger Nov. 22, 1988
4781129 Debris and soil shaver Nov. 1, 1988
4650005 Row crop cultivator with setting indicator Mar. 17, 1987
4607705 Row crop cultivator including disk and setting indicator therefor Aug. 26, 1986
4597452 Disk grading terrace plow Jul. 1, 1986
4562780 Trash farming means and method Jan. 7, 1986
4550122 Attachment for removing residue in front of a planter Oct. 29, 1985
4515224 Seed drill with improved seed disc means May. 7, 1985
4489787 Angled rolling knives and method of weeding Dec. 25, 1984
4483401 Trash clearing assembly for farm implements Nov. 20, 1984
4452319 Disk harrow with individually spring-mounted disks Jun. 5, 1984
4431061 Levee scalper Feb. 14, 1984
4425973 Trash clearing disc assembly for planters Jan. 17, 1984
4407207 Drill having disk furrow openers Oct. 4, 1983
4366760 Seed drill Jan. 4, 1983
4365674 Tandem disc row marker Dec. 28, 1982
4295532 Planter with cooperating trash clearing discs Oct. 20, 1981

1 2










 
 
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