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:
Apr. 17, 2012
Filed:
Mar. 05, 2008
Yoshiyuki Shimizu, Osaka, JP;
Kenzo Tatsumi, Osaka, JP;
Yoshihiro Kawakami, Hyogo, JP;
Tomohiro Kubota, Osaka, JP;
Koji Kato, Tokyo, JP;
Hirobumi Ooyoshi, Tokyo, JP;
Tomofumi Yoshida, Tokyo, JP;
Yoshiyuki Shimizu, Osaka, JP;
Kenzo Tatsumi, Osaka, JP;
Yoshihiro Kawakami, Hyogo, JP;
Tomohiro Kubota, Osaka, JP;
Koji Kato, Tokyo, JP;
Hirobumi Ooyoshi, Tokyo, JP;
Tomofumi Yoshida, Tokyo, JP;
Ricoh Company, Ltd., Tokyo, JP;
Abstract
There is disclosed an image forming apparatus including: a latent image carrier; a latent image writing unit; a development unit; a latent image carrier unit having the latent image carrier; a first positioning protrusion disposed on the latent image carrier unit, the first positioning protrusion being engaged with a groove or a slit of an image forming apparatus body; an abutted portion disposed on the groove or the slit, the abutted portion abutting the first positioning protrusion in order to position the latent image carrier unit in an installation and removal direction; and a second positioning protrusion shifted in the installation and removal direction and disposed on the latent image carrier unit, the second positioning protrusion positioning the latent image carrier unit at a position different from a position of the first positioning protrusion in order to engage the groove or the slit.