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:
Apr. 10, 2007

Filed:

Dec. 13, 2004
Applicant:

Naruaki Hiramitsu, Kanagawa-ken, JP;

Inventor:

Naruaki Hiramitsu, Kanagawa-ken, JP;

Assignee:
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B65H 29/00 (2006.01);
U.S. Cl.
CPC ...
Abstract

A sheet direction inverting apparatus has a switchback portion for inverting the conveying direction of mails and the switchback portion has a drive roller and a driven roller. The length of mails sent to nips of the two rollers in the conveying direction is detected by a sensor, and after switching back, the length of the mails sent from the switchback portion in the conveying direction is detected by a sensor, and an overlapped sheets detector compares detection results. When the detection results are different, the overlapped sheets detector detects overlapping of the mails.


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