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:
Jul. 13, 2010

Filed:

May. 10, 2007
Applicant:

Kotaro Kawasaki, Osaka, JP;

Inventor:

Kotaro Kawasaki, Osaka, JP;

Assignee:
Attorneys:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B41J 2/385 (2006.01); B41J 2/41 (2006.01); B41J 2/435 (2006.01);
U.S. Cl.
CPC ...
Abstract

An exposure device for exposing the charged surface of a photoconductive drum is provided with a light source for emitting light based on image information; a rotary multifaceted mirror for reflecting the light emitted from the light source to scan the surface of the photoconductive drum; a driving mechanism for drivingly rotating the rotary multifaceted mirror; an inner casing for covering at least the driving mechanism and the rotary multifaceted mirror; and an outer casing for covering the inner casing from the outside. An air vent for communicating the inside and outside of the inner casing is formed in a part of the inner casing facing the rotary multifaceted mirror.


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