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.:
Date of Patent:
Aug. 19, 2008
Filed:
Jul. 05, 2005
Takashi Hori, Osaka, JP;
Kuniaki Nakano, Kyoto, JP;
Tomohiko Fujii, Nara, JP;
Yoshie Iwakura, Osaka, JP;
Takashi Hori, Osaka, JP;
Kuniaki Nakano, Kyoto, JP;
Tomohiko Fujii, Nara, JP;
Yoshie Iwakura, Osaka, JP;
Sharp Kabushiki Kaisha, Osaka, JP;
Abstract
In an image forming apparatus that uses a charging unit to charge a photosensitive drum, forms an electrostatic latent image by carrying out image exposure according to image information, and transfers to a paper the electrostatic latent image by developing the electrostatic latent image into a visible image using a developer so that the image information is presented, an exhaust ductfor exhausting air that contains ozone produced within a drum unit, which includes a photosensitive drumand a charging unit, and a ductfor taking in air, which draws in fresh air, are provided within the drum unitso that ventilation of the drum unitcan be carried out with excellent efficiency.