发明授权
US07062194B2 Charging device, and process cartridge and image forming apparatus including the charging device
有权
充电装置，以及包括充电装置的处理盒和图像形成装置
- 专利标题： Charging device, and process cartridge and image forming apparatus including the charging device
- 专利标题（中）： 充电装置，以及包括充电装置的处理盒和图像形成装置
-
申请号： US10843574申请日： 2004-05-12
-
公开(公告)号： US07062194B2公开(公告)日： 2006-06-13
- 发明人: Masato Yanagida , Hiroyuki Nagashima , Naohiro Kumagai , Toshio Koike , Atsushi Sampe , Masanori Kawasumi , Eisaku Murakami , Takeshi Uchitani , Masami Tomita , Takeshi Shintani , Tsutomu Yamakami
- 申请人： Masato Yanagida , Hiroyuki Nagashima , Naohiro Kumagai , Toshio Koike , Atsushi Sampe , Masanori Kawasumi , Eisaku Murakami , Takeshi Uchitani , Masami Tomita , Takeshi Shintani , Tsutomu Yamakami
- 申请人地址： JP Tokyo
- 专利权人： Ricoh Company Limited
- 当前专利权人： Ricoh Company Limited
- 当前专利权人地址： JP Tokyo
- 代理机构： Oblon, Spivak, McClelland, Maier & Neustadt, P.C.
- 优先权： JP2003-132990 20030512; JP2004-024958 20040202
- 主分类号： G03G15/02
- IPC分类号： G03G15/02 ; G03G21/00
摘要：
A charging device including a charging roller having a metallic cylinder with an elastic layer disposed thereon, and a cleaner for cleaning the surface of the charging roller. The cleaner includes a driving shaft and a cleaning roller rotatably mounted on the driving shaft. The cleaning roller is made of a non-cellular foam resin having a density of from 5 to 15 kg/m3 and a tensile strength of from 1.2 to 2.2 kg/cm2.
公开/授权文献
信息查询
