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:
Jan. 04, 2011
Filed:
Feb. 19, 2008
Tomohiko Saito, Hitachinaka, JP;
Tsukasa Onose, Hitachinaka, JP;
Sho Sawahata, Hitachinaka, JP;
Yukio Otome, Hitachinaka, JP;
Jyun Ogino, Hitachinaka, JP;
Tomohiko Saito, Hitachinaka, JP;
Tsukasa Onose, Hitachinaka, JP;
Sho Sawahata, Hitachinaka, JP;
Yukio Otome, Hitachinaka, JP;
Jyun Ogino, Hitachinaka, JP;
Ricoh Company, Ltd., Tokyo, JP;
Abstract
An electrophotographic printer capable of easily attaching and detaching a retaining means to retain the inside of a photoconductive drum to and from the photoconductive drum. A flange located on the extraction side of a photoconductive drum is provided with: a retaining means to support the photoconductive drum from the side of the inner circumferential face of the photoconductive drum. And an advance and retreat mechanism to advance and retreat the retaining means to and from the inner face of the photoconductive drum. The retaining means can be easily dismantled from the photoconductive drum by operating the advance and retreat mechanism, and thereafter extracting the flange from the photoconductive drum.