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Class Information
Number: 172/48
Name: Earth working > With drive means for tool or cleaner > Plural driven tools
Description: Apparatus employing a plurality of separate earth working elements or groups of elements, each of which is driven so as to move with respect to one another during operation, and each of which is connected, through a linkage, to a drive means that drives the tool in a predetermined manner.


Sub-classes under this class:

Class Number Class Name Patents
172/49 Contiguous cooperating or intermeshing rotary ground engaging tools 19
172/50 Diverse tools 5
172/57 Laterally spaced tools 9
172/55 Plural groups of disks 8
172/56 Staggered tools 9
172/54.5 Tool reciprocates or oscillates within a generally horizontal plane 25


Patents under this class:

Patent Number Title Of Patent Date Issued
7044233 Combined digger and mushroom compost compacting assembly May. 16, 2006
6662880 Traveling rolling digger for sequential hole drilling and for producing sequential cultivated spots in soil Dec. 16, 2003
6164384 Method for producing a plurality of cultivated spots for planting of trees and a rolling spot cultivator Dec. 26, 2000
6092608 Garden tiller pulverizing/edger attachment Jul. 25, 2000
5101911 Rotor tiller having counter-rotating twin shafts Apr. 7, 1992
5054559 Soil-working machine for plants grown in rows Oct. 8, 1991
5038868 Ground cultivator Aug. 13, 1991
4452316 Power hoe with reciprocating blades in sliding engagement with each other Jun. 5, 1984
4235294 Soil cultivating machine Nov. 25, 1980
4202415 Soil cultivating machine May. 13, 1980
4171021 Soil cultivating implements Oct. 16, 1979
4167976 Soil cultivating implements Sep. 18, 1979
4159745 Crop uprooting and soil working apparatus Jul. 3, 1979
4042042 Soil cultivating machines Aug. 16, 1977



 
 
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