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Class 172/186 - Plane and dished disks


Subclass of Class 172 - Earth working
Definition: Apparatus in which the earth working elements comprise circular
No. of patents: 3
Last issue date: 09/10/2002


NumberTitleIssue Date
6446407Grid tee with integrally stitched web
A grid tee of the double web type in which the elements of the web are integrally stitched together to prevent their separation. The stitches are created in an inexpensive rolling process that does not require control of the position of the stitches relat...
09/10/2002
5361848Agricultural cultivator
Improvements are disclosed for independent adjustment of the gauge wheel, disc hillers, stabilizer disc and, if desired, the rear, central sweep for an agricultural cultivator unit. The adjusting mechanism includes a screw jack which is easily accessible ...
11/08/1994
4562780Trash farming means and method
A trash farming implement is provided with a plurality of tillage assemblies on an implement, each tillage assembly having a tillage disc arranged to rotate about an axis which is inclined slightly from the vertical both in end elevation and in side eleva...
01/07/1986
 
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