Carrier/tree processor unit for felling, delimbing and bucking trees
CA 2244540 A1 · Owner: Fenton, David S. · Inventors: Fenton, David S.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A small loader-type carrier is used. The processor has a mount assembly which connects the carrier arms with the processor mast for lifting lowering and tilting the mast backward and forward. The mount assembly can mechanically rotate the mast between vertical and horizontal positions. The mast carries a saw assembly, a drive roll assembly a grapple arm assembly, and a delimbing knife progressing from bottom to top. The roll assembly comprises an elongated drive roll which supports the tree stem from the bottom when the stem is horizontal. An idler roll clamps the stem to the drive roll and functions as a measuring wheel. The carrier/tree processor unit is designed to work in thinning …
Read the whole patent
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
- Filed July 30, 1998. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended July 30, 2018.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by July 30, 2020.
- 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.