Invention Grant
- Patent Title: Development device, and image forming apparatus and process cartridge incorporating same
- Patent Title (中): 显影装置,以及包含其的图像形成装置和处理盒
-
Application No.: US13730199Application Date: 2012-12-28
-
Publication No.: US08965254B2Publication Date: 2015-02-24
- Inventor: Yoshiko Ogawa , Yasuyuki Ishii , Osamu Endou , Yuuji Ishikura
- Applicant: Yoshiko Ogawa , Yasuyuki Ishii , Osamu Endou , Yuuji Ishikura
- Applicant Address: JP Tokyo
- Assignee: Ricoh Company, Ltd.
- Current Assignee: Ricoh Company, Ltd.
- Current Assignee Address: JP Tokyo
- Agency: Oblon, McClelland, Maier & Neustadt, L.L.P.
- Priority: JP2012-034361 20120220
- Main IPC: G03G15/08
- IPC: G03G15/08 ; G03G21/18

Abstract:
A development device includes a developer bearer to carry by rotation developer to a development range facing a latent image bearer and a developer regulator to adjust an amount of developer transported to the development range by the developer bearer. The developer bearer includes a developer carrying range having surface unevenness; and a surface of the developer bearer is coated with a coating material including a resin material and particles to roughen the surface.
Public/Granted literature
- US20130216276A1 DEVELOPMENT DEVICE, AND IMAGE FORMING APPARATUS AND PROCESS CARTRIDGE INCORPORATING SAME Public/Granted day:2013-08-22
Information query