The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Sep. 02, 2008
Filed:
Jan. 30, 2006
Applicant:
Seiichiro Adachi, Abiko, JP;
Inventor:
Seiichiro Adachi, Abiko, JP;
Assignee:
Canon Kabushiki Kaisha, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B65H 3/14 (2006.01);
U.S. Cl.
CPC ...
Abstract
When a top sheet of a sheet stack stacked on a sheet tray capable of moving up and down is fed by sheet feeding device, air is blown to the end face of the sheet stack by air blowing device for improving a separation characteristic. The quantity of blown air for the top sheet to rise by a specified amount is determined based on a signal from rising sheet detecting device for detecting the top sheet rising by air blown by the air blowing device, and air is blown based on the determined air quantity when the sheet is fed by the sheet feeding device.