Forest machine with crane
CA 1280722 C · Owner: Herolf, Olof · Inventors: Herolf, Olof
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A forest machine with a crane comprises a driver's cab (2) which is mounted on a wheeled chassis (1) and behind which a load carrier (3) is placed and a crane, post (10) mounted in association with the cab and rotatable relative to the chassis and carrying an outer boom (11) having a telescopic boom (16) which is arranged at its free end to carry a working tool (21). The crane post (10) comprises two suitably inclined spaced-apart support arms (12) between which extends a pivot shaft (13) on which the outer boom is mounted in a position between the support arms. The pivot shaft (13) is located at a distance from the centre of rotation of the post (10) exceeding half the distance between a …
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
- Granted February 26, 1991. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended February 26, 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.