Apparatus for removing branches and bark from felled trees
CA 1096275 A · Owner: Hiller Von Gaertringen, Johann-Christian · Inventors: Hiller Von Gaertringen, Johann-Christian
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
An apparatus for cutting off branches and debarking of felled trees which are pulled through a stationary knife system having a plurality of knives extending transversely with respect to the tree trunk axis is disclosed. In accordance with a preferred embodiment a plurality of knives for cutting off branches and a plurality of knives for removing the bark is swingably secured on shafts which extend in parallel with respect to the axis of a ring and secured thereto, which ring surrounds the trunk being pulled therethrough. The knives can be swung about the shafts and are resiliently pressable against the trunk by drive means. The knives for debarking are arranged on a forward face, with …
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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 24, 1981. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended February 24, 1998.
- 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.