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Class 172/752 - With separable vertical planar longitudinal cutter (e.g., colter, etc.)


Subclass of Class 172 - Earth working
Definition: Apparatus in which the earth working element has separately
No. of patents: 3
Last issue date: 09/07/1999


NumberTitleIssue Date
5947209Ground working implement including a shank and a tip
A shank and replaceable tip of a ground working implement are defined from flat plate which is cut by laser or similar or is stamped to provide interconnecting elements between the replaceable tip and the lower end of the shank. At the lower end of the sh...
09/07/1999
4618006Ripper implement
An improved ripper tiller implement is described which utilizes novel shank members including a soil fracturing member on the lower end of the shank. A replaceable shoe member may also be used on the shank....
10/21/1986
4142588Lister stabilizer
Plowshares and double moldboards which form listers are attached to shanks connected to a toolbar or frame drafted behind a towing vehicle. Rotatable stabilizing discs, or colters, are rigidly affixed to the shanks behind the moldboards and plowshares. Th...
03/06/1979
 
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