Row crop tillage and planting unit guidance system
CA 1284053 C · Owner: Trumm, Eldon E. · Inventors: Trumm, Eldon E.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
An apparatus is provided for automatically longitudinally shifting a horizontal transverse tool bar and the tillage unit or units supported therefrom relative to the lift hitch of a tractor from which the tool bar is supported responsive to crop row sensing structure sensing misalignment of the tillage unit relative to an associated crop row whereby to reestablish proper alignment of the tillage unit relative to the crop row and the crop row position sensing structure is adjustable for crop row width elevation of the sensing structure relative to the tillage unit and also in a manner to adapt the crop sensing unit for sensing the stems or stalks of a row crop or opposite sides of an earth …
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Listed from its CIPO record in Patent Yard's archive of Canadian patents past their term. Its claims, description and drawings are in the CIPO record and on Google Patents, and the Claude kit works from them.
Why it's free to use
- Granted May 14, 1991. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended May 14, 2008.
- We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
Timeline
Timeline From CIPO dates
Sources & verification
Official CIPO records
Everything on this page comes from the CIPO record linked above. Contains information licensed under the Open Government Licence – Canada.