Divisible sprocket wheel
CA 2092022 A1 · Owner: Bos, Arnoldus Josephus Leonardus · Inventors: Vermeulen, Constantinus Paulinus Johannes Maria; Bos, Arnoldus Josephus Leonardus
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
Title: Divisible sprocket wheel, ABSTRACT Sprocket wheels for use in chain conveyors for instance, are preferably of a divisible construction so as to enable each wheel to be removed from the shaft separately. Also on, the basis of considerations of hygiene the outer side surface, of such a wheel is preferably entirely flat when used in the food or beverage industry. Existing divisible wheels are either flat on the outside, but expensive or not flat and, cheap because they are made by injection molding. The synthetic sprocket wheel according to the invention is flat and cheap and comprises two wheel halves with axial planes abutting against each other, each wheel half consisting of two …
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 March 19, 1993. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended March 19, 2013.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by March 19, 2015.
- 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.