Invention Grant
US08428488B2 Charging device, process cartridge, image forming apparatus, and toner
有权
充电装置，处理盒，成像装置和调色剂
- Patent Title: Charging device, process cartridge, image forming apparatus, and toner
- Patent Title (中): 充电装置，处理盒，成像装置和调色剂
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Application No.: US13173506Application Date: 2011-06-30
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Publication No.: US08428488B2Publication Date: 2013-04-23
- Inventor: Haruji Mizuishi , Tokuya Ojimi , Toshio Koike , Takeshi Shintani , Yuji Arai , Takuzi Yoneda , Ken Amemiya , Takaaki Tawada , Masami Tomita , Masanori Kawasumi , Takaya Muraishi , Hiroomi Harada , Hiromichi Ninomiya
- Applicant: Haruji Mizuishi , Tokuya Ojimi , Toshio Koike , Takeshi Shintani , Yuji Arai , Takuzi Yoneda , Ken Amemiya , Takaaki Tawada , Masami Tomita , Masanori Kawasumi , Takaya Muraishi , Hiroomi Harada , Hiromichi Ninomiya
- Applicant Address: JP Tokyo
- Assignee: Ricoh Company, Ltd.
- Current Assignee: Ricoh Company, Ltd.
- Current Assignee Address: JP Tokyo
- Agency: Oblon, Spivak, McClelland, Maier & Neustadt, L.L.P.
- Priority: JP2004-068390 20040311
- Main IPC: G03G15/02
- IPC: G03G15/02 ; B29C67/20
Abstract:
A cleaning roller cleaning a surface of a cleaning component, wherein the cleaning roller is provided in a roller configuration having a cylindrical shape and has a portion in contact with the cleaning component, the portion being made of a melamine resin foam having a continuous foam structure, the melamine resin foam being provided by heating compression from an original configuration in a radial direction, and wherein the portion in contact with the cleaning component has a continuous foam structure and a tensile strength in a range of 1.7±0.5 kg/cm2, and an image forming apparatus incorporating the same.
Public/Granted literature
- US20110262179A1 CHARGING DEVICE, PROCESS CARTRIDGE, IMAGE FORMING APPARATUS, AND TONER Public/Granted day:2011-10-27
Information query
