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:
Mar. 22, 2016

Filed:

May. 15, 2014
Applicant:

Konica Minolta, Inc., Chiyoda-ku, JP;

Inventors:

Motoki Nakano, Toyokawa, JP;

Masashi Saito, Hachioji, JP;

Yutaka Otsuka, Toyokawa, JP;

Hideaki Hayashi, Toyokawa, JP;

Assignee:

KONICA MINOLTA, INC., Chiyoda-Ku, Tokyo, JP;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G03G 21/20 (2006.01); G03G 15/20 (2006.01);
U.S. Cl.
CPC ...
G03G 21/206 (2013.01); G03G 15/2017 (2013.01);
Abstract

An image forming apparatus has a fusing unit including a first rotor provided with a heat-generating unit and an elastic layer, as well as a second rotor provided in direct contact with the first rotor, the fusing unit fixing a toner image on a sheet, and a duct for allowing an inlet and an exhaust outlet to communicate with each other, the inlet being adapted to allow a current of air derived from the fusing unit to flow in, the exhaust outlet facing toward the outside of the apparatus. The duct includes an introduction channel for guiding and jetting out air taken in from the inlet, a main channel for guiding the air jetted out of the introduction channel to the exhaust outlet, and a cul-de-sac provided in communication with the main channel at one end and closed at the other end.


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