Bulk handling device operating coupling
CA 2385345 A1 · Owner: Outokummun Metalli Oy · Inventors: Kinnunen, Kari; Makkonen, Jussi; Kettunen, Veikko
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
57) The subject of the invention, is an operating coupling for controlling the operation of the gripping devices (4, 5) of a loader harvester bulk handling device. In the operating coupling according to the invention, the coupling of the valve (18) with the operating device of the loader harvester's cross-cutting device, and with the tilting mechanism of the tilting frame, is arranged to operate in conjunction with the cutting device and felling so that the gripping devices (4 and 5) are normally in the closed position. The gripping devices are arranged at least, in the telling position, to always open when the guide bar or equivalent cutting device is operating or when the harvester head …
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 August 6, 1999. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended August 6, 2019.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by August 6, 2021.
- 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.