Threshing concave filler strip retainer
CA 1252011 A · Owner: Deere & Company · Inventors: Yarbrough, Don L.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
Abstract of the Disclosure, Detachable filler strips for a threshing concave are retained by fastener assemblies which, for installation and securing of the filler strip, require access only to the inside of the concave. Each fastener assembly includes a resilient cylindrical body and a threaded fastener for axially compressing the body. In preparation for installation fastener assemblies, are installed in the filler strips and each tightened sufficiently to hold the resilient body nonrotatably (due to friction) against the filler strip. After installation with, the fastener assemblies extending outwards between the concave rods, further manipulation of the fastener from inside the concave …
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 April 4, 1989. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended April 4, 2006.
- 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.