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:
Jun. 19, 2012

Filed:

Nov. 04, 2009
Applicants:

Katsuya Sasahara, Shizuoka-Ken, JP;

Shinichiro Mano, Kanagawa-Ken, JP;

Inventors:

Katsuya Sasahara, Shizuoka-Ken, JP;

Shinichiro Mano, Kanagawa-Ken, JP;

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

A sheet folding apparatus includes a fold unit which folds a center of a sheet bundle to form a fold line, and a reinforce roller which moves along the fold line while applying pressure to the fold line to reinforce the fold line. The reinforce roller includes plural sub-rollers which are concentrically coupled to each other in a rotation axis direction, and the respective sub-rollers apply different pressures to the fold line.


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