Motorized pulley with internal mounts
CA 2070195 C · Owner: Interroll Holding A.G. · Inventors: Hall, David V.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A drive pulley assembly is disclosed for a conveyor belt assembly which permits a reduction in the overall size of the conveyor assembly without any reduction in the size or width of the conveyor belt. The overall width of the conveyor assembly is reduced by providing recessed end cavities in the ends of the drive pulley to accommodate the mounting brackets for the pulley. In accordance with the present invention the mounting, brackets are secured to the inside of respective frame members and extend therefrom into the recessed end cavities of the drive pulley such that substantially the entirety of the mounting bracket lies within the drive pulley. Because the mounting brackets are …
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 June 2, 1992 and granted April 26, 1994. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended June 2, 2012.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by June 2, 2014.
- 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.