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. 30, 2013
Filed:
Mar. 14, 2011
Yoshiki Hozumi, Kanagawa, JP;
Kenji Sugiura, Kanagawa, JP;
Osamu Naruse, Kanagawa, JP;
Naomi Sugimoto, Kanagawa, JP;
Hisashi Kikuchi, Kanagawa, JP;
Yuu Sakakibara, Kanagawa, JP;
Yoshiki Hozumi, Kanagawa, JP;
Kenji Sugiura, Kanagawa, JP;
Osamu Naruse, Kanagawa, JP;
Naomi Sugimoto, Kanagawa, JP;
Hisashi Kikuchi, Kanagawa, JP;
Yuu Sakakibara, Kanagawa, JP;
Ricoh Company, Limited, Tokyo, JP;
Abstract
A cleaning device includes a normally charged toner cleaning unit, a reversely charged toner cleaning unit, and a pre-cleaning unit. The normally charged toner cleaning unit has a normally charged toner cleaning member, a normally charged toner recovery member, and a normally charged toner scraping member. The reversely charged toner cleaning unit has a reversely charged toner cleaning member, a reversely charged toner recovery member, and a reversely charged toner scraping member. The pre-cleaning unit has a pre-cleaning member, a pre-recovery member, and a pre-scraping member.