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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 12399446 B1

PDFFull Text
Date of Patent:
Aug. 26, 2025

Filed:

Jun. 27, 2024

Image forming apparatus including duct structure that supports light emitting elements for exposing a photoconductor

Applicant:

Canon Kabushiki Kaisha, Tokyo, JP;

Inventors:

Ryoichi Kawasumi, Ibaraki, JP;

Takehiro Ishidate, Tokyo, JP;

Hiroki Takano, Saitama, JP;

Assignee:

CANON KABUSHIKI KAISHA, Tokyo, JP;

Attorney:

ROSSI, KIMMS & McDOWELL LLP

Primary Examiner:

Robert B Beatty

Int. Cl.
CPC ...
G03G 15/04 (2006.01); B41J 2/00 (2006.01); B41J 2/447 (2006.01); B41J 29/377 (2006.01); G03G 21/20 (2006.01);
U.S. Cl.
CPC ...
G03G 15/04054 (2013.01); B41J 2/4473 (2013.01); B41J 29/377 (2013.01); G03G 15/04063 (2013.01); G03G 21/206 (2013.01); G03G 2215/0407 (2013.01); G03G 2215/0412 (2013.01); G03G 2221/1645 (2013.01);
Abstract

An image forming apparatus includes: a rotatable photoconductor; an exposure portion including a substrate on which a plurality of chips each including a plurality of light emitting portions that emit light for exposing the photoconductor is mounted, and a support portion configured to support the substrate; a fan configured to generate an airflow for cooling the exposure portion; and a duct configured to communicate with the fan and to communicate with the support portion to guide the airflow generated by the fan to the substrate.

Find Patent Forward Citations

Kawasumi, Ryoichi. (2025). Image forming apparatus including duct structure that supports light emitting elements for exposing a photoconductor (U.S. Patent No. 12399446). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/12399446

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

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