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:
Aug. 02, 2016

Filed:

Jan. 28, 2015
Applicant:

Panasonic Intellectual Property Management Co., Ltd., Osaka, JP;

Inventors:

Hayato Wachi, Fukuoka, JP;

Youichi Idera, Fukuoka, JP;

Masaya Shitami, Fukuoka, JP;

Takanori Kitagawa, Fukuoka, JP;

Attorney:
Primary Examiner:
Assistant 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); G03G 15/2021 (2013.01);
Abstract

An image forming apparatus includes a fuser unit which includes a heat roller and a pressure roller; a duct which is formed in a long shape in a direction along an axis of the heat roller, is disposed in the vicinity of the fuser unit along the axis of the heat roller, and is exhausted by an exhaust fan which is provided on one end side in a long-side direction; an exhaust port which is opened to a first side wall of the fuser unit side of the duct and causes the fuser unit and the duct to communicate with each other; and a planar filter which is attached to an inner wall surface of the duct. The filter includes a filter base material having an irregular surface shape in which ditches and convex portions are alternately disposed; and a frame which is bonded to both ends orthogonal to an irregularity direction of the filter base material, the convex portion of the filter base material protrudes from the frame, and the convex portion of the filter base material is bonded or stuck to the inner wall surface.


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