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:
Nov. 18, 2014

Filed:

Jun. 20, 2013
Applicant:

Konica Minolta, Inc., Tokyo, JP;

Inventor:

Eiji Tabata, Ibaraki, JP;

Assignee:
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G03G 15/00 (2006.01); G03G 15/16 (2006.01); G03G 21/00 (2006.01);
U.S. Cl.
CPC ...
G03G 21/0005 (2013.01); G03G 15/5058 (2013.01); G03G 15/168 (2013.01); G03G 2215/1661 (2013.01);
Abstract

An image forming apparatus includes a secondary transfer belt that rotates, an imaging unit for forming a patch image of toner on the secondary transfer belt, and an upstream brush and a downstream brush coming into contact with the secondary transfer belt in a rotating state to remove the patch image from on the secondary transfer belt. A length p of the patch image formed by the imaging unit along a rotational direction of the secondary transfer belt, a distance bover which the secondary transfer belt rotates while the upstream brush makes one turn, and a distance bover which the secondary transfer belt rotates while the downstream brush makes one turn satisfy an expression: p≦|b−b


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