Sheet feeding device
CA 1086342 A · Owner: Hoechst Aktiengesellschaft · Inventors: Blum, Herbert
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A device for the automatic feeding of individual sheets from a stack of sheets to an apparatus comprises lower carrier rollers, upper feed rollers in resilient contact therewith, and a suction chamber which is displaceable in the direction of transport of the individual sheets. The suction chamber comprises a cover plate and a base plate, the base plate being designed as a perforated plate and the cover plate being provided with a suction hole for a ventilator which is arranged on the cover plate above the suction opening.
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 September 23, 1980. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended September 23, 1997.
- 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.