Invention Grant
US07962074B2 Developing unit, image forming apparatus, and floating developer collecting method for developing unit
有权
用于显影单元的显影单元，成像设备和浮动显影剂收集方法
- Patent Title: Developing unit, image forming apparatus, and floating developer collecting method for developing unit
- Patent Title (中): 用于显影单元的显影单元，成像设备和浮动显影剂收集方法
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Application No.: US12372001Application Date: 2009-02-17
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Publication No.: US07962074B2Publication Date: 2011-06-14
- Inventor: Hirotaka Fukuyama , Satoshi Itaya
- Applicant: Hirotaka Fukuyama , Satoshi Itaya
- Applicant Address: JP Tokyo JP Tokyo
- Assignee: Kabushiki Kaisha Toshiba,Toshiba Tec Kabushiki Kaisha
- Current Assignee: Kabushiki Kaisha Toshiba,Toshiba Tec Kabushiki Kaisha
- Current Assignee Address: JP Tokyo JP Tokyo
- Agency: Turocy & Watson, LLP
- Main IPC: G03G15/09
- IPC: G03G15/09 ; G03G21/20
Abstract:
A suction duct that sucks air is provided downstream from a magnet roller that applies a developer to a photoconductor while rotating, in a direction of rotation of the photoconductor, and upstream of a surface potential sensor that measures surface potential of the photoconductor. Moreover, ribs for adjusting an air flow are arranged within the suction duct in such a manner that a width of an air flow passage formed by a rear end in a direction of air flow and a forward end of a nearest rib in the direction of air flow is narrowed from a rib installed upstream in the direction of air flow toward a rib installed downstream. The collection duct collects a floating developer by using a negative pressure.
Public/Granted literature
- US20090208254A1 DEVELOPING UNIT, IMAGE FORMING APPARATUS, AND FLOATING DEVELOPER COLLECTING METHOD FOR DEVELOPING UNIT Public/Granted day:2009-08-20
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