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:
May. 17, 2011

Filed:

Apr. 17, 2008
Applicants:

Ken Iguchi, Sunto-gun, JP;

Katsuya Sasahara, Izu, JP;

Takahiro Kawaguchi, Mishima, JP;

Hiroyuki Taguchi, Kawasaki, JP;

Katsuhiko Tsuchiya, Numazu, JP;

Inventors:

Ken Iguchi, Sunto-gun, JP;

Katsuya Sasahara, Izu, JP;

Takahiro Kawaguchi, Mishima, JP;

Hiroyuki Taguchi, Kawasaki, JP;

Katsuhiko Tsuchiya, Numazu, JP;

Assignees:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B31F 1/10 (2006.01);
U.S. Cl.
CPC ...
Abstract

A sheet finisher of the invention includes a saddle stitch unit configured to stitch a center of a sheet bundle in which printed sheets are bundled, a fold unit configured to fold the center stitched by the saddle stitch unit and to form a fold line, and a fold reinforcing unit configured to reinforce the fold line formed by the fold unit, the fold reinforcing unit includes a roller unit that includes a first roller and a second roller, nips the fold line of the sheet bundle transported from the fold unit between the first roller and the second roller, and moves along a direction of the fold line while pressing, and a drive unit configured to move the roller unit along the direction of the fold line from a standby position located at a position separate from an end of the sheet bundle, and the first roller and the second roller are separate from each other at the standby position, and approach each other to nip the fold line in a region where the fold line of the sheet bundle exists.


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