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. 25, 2012
Filed:
Sep. 27, 2010
Applicants:
Yasuo Fukatsu, Abiko, JP;
Tsuyoshi Moriyama, Toride, JP;
Yuzo Matsumoto, Abiko, JP;
Inventors:
Assignee:
Canon Kabushiki Kaisha, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B65H 3/14 (2006.01);
U.S. Cl.
CPC ...
Abstract
There is provided a sheet feeding device in which a sheet is discriminated at preliminary loosening before feeding, and is set to be controlled according to the type of the sheet by a simple configuration without requiring a special configuration. In the sheet feeding device in which air is blown onto a sheet stack, and a sheet floating at the uppermost level by the blowing is absorbed and conveyed, a sheet type is discriminated, based on a moving amount of the tray, at preliminary loosening before sheet feeding after setting the sheet in a tray.