Device for the upright maintenance of the body of the harvester-thresher
CA 1045389 A · Owner: Institutul De Cercetari Si Proiectari De Masini Agricole · Inventors: Demetrescu, Theodor; Duca, Mihail; Linca, Ion
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
The device for the upright maintenance of the body of the harvester-thresher has a pendulum that achieves the continuous variation of the speed of the bringing back movement of the body of the harvester-thresher. The pendulum conveys the angular variations of the body of the machine to a flow controller of rotary or linear type: the flow controller commands an adjustable valve and the latter takes a part of the flow of a pump proportional to the tilting angle of the machine. The absorbed flow passes through the adjustable valve and then through the flow controller. The other part of the flow of the pump passes through an electrically activated distributor to hydrostatic cylinders. The …
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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 January 2, 1979. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended January 2, 1996.
- 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.