Invention Grant
- Patent Title: Cleaning device and image forming apparatus including same
- Patent Title (中): 清洁装置和包括其的图像形成装置
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Application No.: US13253330Application Date: 2011-10-05
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Publication No.: US08483605B2Publication Date: 2013-07-09
- Inventor: Akira Asaoka , Takaya Muraishi , Kenji Sugiura , Hisashi Kikuchi , Yoshiki Hozumi , Yuu Sakakibara
- Applicant: Akira Asaoka , Takaya Muraishi , Kenji Sugiura , Hisashi Kikuchi , Yoshiki Hozumi , Yuu Sakakibara
- Applicant Address: JP Tokyo
- Assignee: Ricoh Company, Ltd.
- Current Assignee: Ricoh Company, Ltd.
- Current Assignee Address: JP Tokyo
- Agency: Oblon, Spivak, McClelland, Maier & Neustadt, L.L.P.
- Priority: JP2010-226552 20101006
- Main IPC: G03G21/00
- IPC: G03G21/00 ; G03G15/16
Abstract:
A cleaning device including a normally charged toner cleaning member provided in contact with a cleaning target at a contact position to remove normally charged toner from the cleaning target, a reversely charged toner cleaning member provided in contact with the cleaning target at a contact position upstream from the normally charged toner cleaning member to remove reversely charged toner from the cleaning target, and a pre-cleaning member provided in contact with the cleaning target at a contact position upstream from both the normally and reversely charged toner cleaning members to remove normally charged toner from the cleaning target. The contact position between the pre-cleaning member and the cleaning target has a width wider than a width of the contact position between the normally charged toner cleaning member and the cleaning target and a width of the contact position between the reversely charged toner cleaning member and the cleaning target.
Public/Granted literature
- US20120087704A1 CLEANING DEVICE AND IMAGE FORMING APPARATUS INCLUDING SAME Public/Granted day:2012-04-12
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