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:
Dec. 23, 2014
Filed:
Feb. 28, 2013
Michiya Okamoto, Kanagawa, JP;
Ken Amemiya, Tokyo, JP;
Takuma Iwasaki, Kanagawa, JP;
Shinya Karasawa, Kanagawa, JP;
Hiroyuki Uenishi, Kanagawa, JP;
Hideki Kimura, Kanagawa, JP;
Michiya Okamoto, Kanagawa, JP;
Ken Amemiya, Tokyo, JP;
Takuma Iwasaki, Kanagawa, JP;
Shinya Karasawa, Kanagawa, JP;
Hiroyuki Uenishi, Kanagawa, JP;
Hideki Kimura, Kanagawa, JP;
Ricoh Company, Ltd., Tokyo, JP;
Abstract
A process cartridge detachably installable in an image forming apparatus including a first sub-unit to hold an image carrier, a second sub-unit to hold a developer bearing member, a first positioning member to position first ends of the image carrier and the developer bearing member in a longitudinal direction, respectively, and a second positioning member to position second ends of the image carrier and the developer bearing member opposite the first ends in the longitudinal direction, respectively. The second sub-unit has a protruding portion protruding outward to a first end of the second sub-unit beyond the first positioning member in the longitudinal direction. An opposing surface of the protruding portion provided to face the first positioning member is dimensioned to conform to a cross-section of the first positioning member perpendicular to the longitudinal direction.