Invention Grant
- Patent Title: Developing device, process unit, and image forming apparatus
- Patent Title (中): 显影装置，处理单元和成像装置
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Application No.: US12046177Application Date: 2008-03-11
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Publication No.: US07801470B2Publication Date: 2010-09-21
- Inventor: Natsuko Minegishi , Seiko Itagaki , Hiroshi Akita
- Applicant: Natsuko Minegishi , Seiko Itagaki , Hiroshi Akita
- Applicant Address: JP
- Assignee: Konica Minolta Business Technologies, Inc.
- Current Assignee: Konica Minolta Business Technologies, Inc.
- Current Assignee Address: JP
- Agency: Cantor Colburn LLP
- Priority: JPJP2007-106886 20070416
- Main IPC: G03G15/08
- IPC: G03G15/08
Abstract:
A developing apparatus, comprises an endless belt shaped donor member; a developer supporting member to carry developer including toner and magnetic carrier and to form a toner layer on the donor member; a first supporting member arranged in the inside of the donor member with a predetermined gap against the developer supporting member and to strain the donor member; a second supporting member arranged in the inside of the donor member with a predetermined gap against the developer supporting member and to strain the donor member; a toner supply bias applying section to apply onto the first supporting member a toner supply bias for supplying toner from the developer supporting member to the donor member; and a toner recovery bias applying section to apply onto the second supporting member a toner recovery bias for recovering toner from the donor member to the developer supporting member.
Public/Granted literature
- US20080253811A1 DEVELOPING DEVICE, PROCESS UNIT, AND IMAGE FORMING APPARATUS Public/Granted day:2008-10-16
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