Method and apparatus for monitoring and controlling conveyor position
CA 2520971 A1 · Owner: Travis, Tonny D. · Inventors: Travis, Tonny D.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
The method for the maintenance of a conveyor structure (9) having a driven conveyor belt (10) mounted on rollers (39 and 41) on a base (13). The method steps include establishing one or more stationary zero set points (16) on the structure and providing one or more cycle points (15) on the belt. Each cycle point marks the terminus of a designated travel distance of the belt. Another step is the providing a counter (14) for measuring the distance traveled by any of the cycle points beyond one or more designated set points. The set of resetting the counter to a desired starting value when the cycle point arrives at a designated set point. The final step of calculating the distance …
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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
- Filed March 19, 2003. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended March 19, 2023.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by March 19, 2025.
- 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.