Document set separator and stack height sensor
CA 1279879 C · Owner: Xerox Corporation · Inventors: Tracy, Michael John
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
In a recirculating document handler for a copier for recirculating document sheets from a stack thereof in a document tray of the document handler to be copied and to be restacked therein after copying with a, document feeder for feeding the documents from the stack which is automatically controlled in response to sensing the approximate height of the stack and sensing each time the stack has been so recirculated in response to the, position of elevation relative to the stack of a set separator finger the, improvement in the sensing system comprising two spaced switches positioned to be variably actuated in response to variable positions of the set separator finger, and the set separator …
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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
- Granted February 5, 1991. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended February 5, 2008.
- 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.