Invention Grant
- Patent Title: Transfer device and image forming apparatus including same
- Patent Title (中): 转印装置和包括其的图像形成装置
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Application No.: US12923090Application Date: 2010-09-01
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Publication No.: US08457536B2Publication Date: 2013-06-04
- Inventor: Hiroki Nakamatsu , Masakazu Imai , Katsuhito Haruno , Seiichi Kogure
- Applicant: Hiroki Nakamatsu , Masakazu Imai , Katsuhito Haruno , Seiichi Kogure
- Applicant Address: JP Tokyo
- Assignee: Ricoh Company, Ltd.
- Current Assignee: Ricoh Company, Ltd.
- Current Assignee Address: JP Tokyo
- Agency: Harness, Dickey & Pierce, P.L.C.
- Priority: JP2009-206116 20090907
- Main IPC: G03G15/16
- IPC: G03G15/16 ; G03G15/08 ; G03G15/01 ; G03G15/20 ; G03G21/00

Abstract:
A transfer device includes a rotatable intermediate transfer belt wound around and stretched between a pair of rollers, facing a plurality of image bearing members bearing toner images, a plurality of transfer members facing the image bearing members through the intermediate transfer member, to transfer overlappingly the toner images onto the intermediate transfer member forming a composite toner image, a lubricant applicator disposed upstream from the image bearing members in a direction of rotation of the intermediate transfer belt and on the same plane as the image bearing members, to apply a lubricant on the intermediate transfer member, an opposing member disposed opposite the lubricant applicator, to contact the lubricant applicator through the intermediate transfer member, and a pressure member disposed upstream from the image bearing members and downstream from the lubricant applicator in the direction of rotation of the intermediate transfer belt, to press against the intermediate transfer member.
Public/Granted literature
- US20110058859A1 Transfer device and image forming apparatus including same Public/Granted day:2011-03-10
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