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. 15, 2014
Filed:
Oct. 12, 2011
Hisashi Kikuchi, Kanagawa, JP;
Takaya Muraishi, Kanagawa, JP;
Kenji Sugiura, Kanagawa, JP;
Akira Asaoka, Kanagawa, JP;
Yoshiki Hozumi, Kanagawa, JP;
Yuu Sakakibara, Kanagawa, JP;
Hisashi Kikuchi, Kanagawa, JP;
Takaya Muraishi, Kanagawa, JP;
Kenji Sugiura, Kanagawa, JP;
Akira Asaoka, Kanagawa, JP;
Yoshiki Hozumi, Kanagawa, JP;
Yuu Sakakibara, Kanagawa, JP;
Ricoh Company, Ltd., Tokyo, JP;
Abstract
A cleaning device including a rotatable cleaning member contacting a rotatable image carrier bearing a toner image to electrostatically remove toner from the image carrier while rotating, and a control unit to control rotation of the cleaning member to satisfy a relation of (60/R)>(L/V) during removal of a toner pattern formed on the image carrier at a predetermined timing and remaining attached to the image carrier without being transferred from the image carrier onto a transfer member using the cleaning member, where R (rpm) is a number of rotations of the cleaning member, L (mm) is a length of the toner pattern in a direction of rotation of the image carrier, and V (mm/s) is a speed of the image carrier.