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:
Feb. 22, 2011

Filed:

Mar. 03, 2008
Applicants:

Toshiaki Oshiro, Izu, JP;

Takahiro Kawaguchi, Mishima, JP;

Tomomi Iijima, Mishima, JP;

Inventors:

Toshiaki Oshiro, Izu, JP;

Takahiro Kawaguchi, Mishima, JP;

Tomomi Iijima, Mishima, JP;

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

A sheet folding unit, including: a first folding roller configured to rotate around a first axis; a second folding roller configured to rotate around a second axis which is in parallel with the first axis and biased to the first folding roller separably to a separating direction to make a nip together with the first folding roller therebetween; a blade configured to push a surface of a sheet into the nip; and a roller cover configured to move together with the second folding roller in the separating direction to prevent the second folding roller contacting the sheet when the blade unit starts contacting the sheet.


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