Axial flow combine harvester feed plate
CA 1295911 C · Owner: Helm, William Norval · Inventors: Helm, William Norval
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
An axial flow combine harvester feed plate for directing crop material from a conveyor into the lower forward portion of an axial flow rotor housing. The feed plate includes surfaces that reduce the overall width of a mat of crop material entering the rotor housing and a surface that guides material upwardly and rearwardly. The surface of the feed plate that guides crop material upwardly and rearwardly directs the mat of crop material into the rotor housing near the front of the axial flow rotor on one side of the rotor housing. On the other side of the rotor housing, crop material enters the housing some distance rearwardly from the front of the axial flow rotor. This results in a band of …
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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 February 18, 1992. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended February 18, 2009.
- 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.