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.

Patent No.:

US 8023837 B1

PDF
Full Text
Expired
Date of Patent:
Sep. 20, 2011

Filed:

Oct. 15, 2007
Applicants:

Shuji Nishitani, Suntoh-gun, JP;

Takateru Okubo, Susono, JP;

Inventors:

Shuji Nishitani, Suntoh-gun, JP;

Takateru Okubo, Susono, JP;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G03G 15/00 (2006.01);
U.S. Cl.
CPC ...
Abstract

The invention provides an image forming apparatus an image forming portion for forming an image on a sheet, a stack portion for stacking a sheet, a discharge portion for discharging the sheet, on which an image is formed by the image forming portion, to the stack portion, a sheet detection portion for detecting a conveying condition of the sheet on which an image is formed, a fully stacked condition detection portion for detecting whether the sheets stacked in the stack portion are in a fully stacked condition, and a determining portion for determining an abnormal condition of the sheet in the stack portion, based, after the detection of a sheet passing by the sheet detection portion, on a result of detection by the fully stacked condition detection portion as to whether the sheets stacked in the stack portion are in a fully stacked condition.


Find Patent Forward Citations

Nishitani, Shuji. (2011). Image forming apparatus capable of preventing a sheet jamming during detected abnormal situations (U.S. Patent No. 8023837). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/8023837

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

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