Sheet removal device
CA 1264775 C · Owner: Couwenberg, Franciscus Adrianus Cornelis Maria · Inventors: Couwenberg, Franciscus Adrianus Cornelis Maria
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A device is provided for the removal of the lowermost sheet from a stack of sheets in a tray wherein part of the tray consists of a removal element having a top surface with a first set of grooves through which an air stream can be blown to produce a static partial vacuum and a second set of grooves outside the air stream each, connected to at least one of the grooves in the first set. As a result of the air stream in the first set of grooves the lowermost sheet is drawn against the top surface of the removal element and air is sucked out of the second set of grooves, the sheet thereby being more forcibly sucked against the removal element. By moving the removal element away from the stack, …
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
- Granted January 23, 1990. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended January 23, 2007.
- 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.