Device for connecting an agricultural implement to a tractor
CA 2082089 A1 · Owner: Jean Walterscheid Gmbh · Inventors: Roth, Andreas
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
The invention relates to a device for connecting an agricultural implement to a tractor towing same and driving same via a power take-off shaft. It comprises a double drive which consists of two angle drives which are arranged one above the other and which are pivotable relative to one another via a bearing around a first axis. The double drive is associated with a holding bracket and with a support supported thereon via springs. A transverse bar serves to connect the implement to the catching hook of the lower steering arms of the tractor. These permit a pivot movement around a second axis. The support comprises a bearing journal via which it is connected to a transverse bar so as to be …
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 November 4, 1992. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended November 4, 2012.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by November 4, 2014.
- 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.