Sprocket receptacle cleaner embodied in a track section
CA 1192239 A · Owner: Deere & Company · Inventors: Wohlford, William P.; Beitel, Howard V.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
Abstract of the Disclosure, Disclosed are two types of track sections respectively having link assemblies interconnected by pivot joints and by resilient flexors. In both types of track sections a sprocketengaging portion is provided for being engaged by teeth of a track drive sprocket, and a receptacle-cleaning portion is provided for entering receptacles defined by adjacent ones of the sprocket teeth and includes beveled or wedge-shaped ribs for forcing material from the receptacles. The sprocket-engaging portions of adjacent track sections are spaced apart by a distance at least approximating twice the pitch of the sprocket whereby an unused receptacle exists between each adjacent pair …
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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 August 20, 1985. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended August 20, 2002.
- 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.