Reel for a harvesting machine
CA 1268950 C · Owner: Macdon Industries Ltd. · Inventors: Fox, Thomas Russell; Rogalsky, Douglas Keith
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A HARVESTING MACHINE", ABSTRACT OF THE DISCLOSURE A reel for a harvesting machine comprises a plurality of bats arranged for rotation around an axis defined by a shaft. The bats are pivotal about a bat axis parallel to the shaft and are driven in pivoting movement by an eccentric ring member interconnected to each of the bats by a rigid link controlled by the eccentric ring member. The ring member is free to rotate relative to the shaft but is driven by each in turn of the links when the respective bat reaches an extreme position as defined by a sliding link coupled between the rigid link and the ring member. The bats comprise folded sheet metal in tubular form defining a plurality of …
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 May 15, 1990. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended May 15, 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.