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.

Date of Patent:
Jan. 17, 2012

Filed:

Oct. 02, 2009
Applicants:

Teruhiko Toyoizumi, Tachikawa, JP;

Hirofumi Nakajima, Hachioji, JP;

Inventors:

Teruhiko Toyoizumi, Tachikawa, JP;

Hirofumi Nakajima, Hachioji, JP;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B65H 37/04 (2006.01);
U.S. Cl.
CPC ...
Abstract

A post-processing apparatus including: a first conveyance section which superposes a plurality of paper sheets conveyed from an image forming apparatus, and conveys with superposed state; a second conveyance section which conveys the paper sheets, sheet by sheet; a switching section which switches to convey the paper sheets either to the first or to the second conveyance section; a punch processing section which temporally stops the paper sheets from the first or the second conveyance section, and forms punch holes on the paper sheets; and a control section, wherein if determined, based on the basis weight or thickness information of the paper sheet, that the punch processing is not executable on the paper sheets with the superposed state, the control section controls to convey the paper sheets into the second conveyance section, and to execute the punch processing sheet by sheet.


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