Invention Grant
- Patent Title: Developing device and image forming apparatus equipped with the same
- Patent Title (中): 显影装置及其配备的成像装置
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Application No.: US12417229Application Date: 2009-04-02
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Publication No.: US08050602B2Publication Date: 2011-11-01
- Inventor: Takayuki Takai
- Applicant: Takayuki Takai
- Applicant Address: JP Tokyo
- Assignee: Konica Minolta Business Technologies, Inc.
- Current Assignee: Konica Minolta Business Technologies, Inc.
- Current Assignee Address: JP Tokyo
- Agency: Buchanan Ingersoll & Rooney, P.C.
- Priority: JP2008-159150 20080618
- Main IPC: G03G15/09
- IPC: G03G15/09

Abstract:
A developing device includes: a developer containing a toner and a carrier; a first transporting member placed at an opening portion of a developer vessel used for housing the developer; a second transporting member that faces the first transporting member with a first area interposed therebetween, and also faces an electrostatic latent image-supporting member with a second area interposed therebetween; a first electric-field-forming unit that forms a first electric field between the first transporting member and the second transporting member; and a second electric-field-forming unit that forms a second electric field between the second transporting member and the electrostatic latent image-supporting member. An image-forming apparatus includes the above-mentioned developing device.
Public/Granted literature
- US20090317142A1 DEVELOPING DEVICE AND IMAGE FORMING APPARATUS EQUIPPED WITH THE SAME Public/Granted day:2009-12-24
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