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Class Information
Number: 172/193
Name: Earth working > Diverse tools > First tool with spaced trailing sweep
Description: Apparatus comprising an earth working element (e.g., shovel or moldboard) for moving soil transverse to the line of travel and mounted upon a standard and an earth working blade or sweep following the earth working element and operating upon the moved soil and mounted on the standard behind the earth working element or on a rearwardly extending member connected to the earth working element or standard.










Sub-classes under this class:

Class Number Class Name Patents
172/194 Sweep adjustable 9


Patents under this class:

Patent Number Title Of Patent Date Issued
7520338 Furrow closer Apr. 21, 2009
6527059 Loosened soil relative to sweeps for energy reduction on chisel plows Mar. 4, 2003
5249633 Field breaking implement Oct. 5, 1993
4834189 Row crop cultivator May. 30, 1989
4819737 Row crop cultivator Apr. 11, 1989
4461355 Cultivator row unit with ridger/bedder implement Jul. 24, 1984
4135581 Weeding rod unit for plows Jan. 23, 1979











 
 
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