Sheet feeder with feed belts
CA 2602137 C · Owner: Kaiping, James C. · Inventors: Kaiping, James C.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A sheet feeder (1) having a stack hopper (9) for holding a stack of sheets (8), and feed belts (5, 6, 7) for advancing the bottom-most sheet from the stack, is constructed to move at least one of the feed belts laterally toward and away from another of the feed belts while the belts are being driven. Preferably, side guides (12, 13) extend substantially to the end of the feeder, and extend both above and below the upper surface of belts to which they are adjacent. The belts extend between and around shafts (25 26) of , uniform diameter through the reach of lateral movement of the belts. The shafts are journaled in bearings mounted in such a way that they can be lifted out to change …
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 August 15, 2005 and granted December 11, 2012. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended August 15, 2025.
- Certificates of supplementary protection extend only drug patents, and it isn't classified as one.
- 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.