Cutting header for a harvesting machine
CA 1264949 C · Owner: Bruner, Hasse · Inventors: Bruner, Hasse; Persson, Lars I.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
Header for a harvesting machine provided with means for automatic elevation of the feeding part of the header if the cutter assembly runs into the ground or some other stationary obstruction characterized in that it comprises a stationary table (1) which when, in operation is stationary in relation to the harvester (7); a mobile feeding apron (2), the gables of which being integrated with the front parts (16) of a pair of levers (18), said levers being hinged to the stationary table about a first horizontal turning axis (10) and balanced by a hydraulic system including a pair of hydraulic cylinders (20, 20A, 20B); a second horizontal turning axis (35) at the front end of the feeding apron, …
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 January 30, 1990. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended January 30, 2007.
- 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.