| US 7,477,862 B2 | ||
| Charged device, cleaning device, process cartridge, toner, and image-forming device that uses these | ||
| Muraishi Takaya, Kanagawa (Japan); Hiromichi Ninomiya, Kanagawa (Japan); Atsushi Sampe, Kanagwa (Japan); Yoshiyuki Kimura, Tokyo (Japan); Hiroyuki Nagashima, Kanagwa (Japan); Hiroshi Hosokawa, Kanagawa (Japan); Ken Amemiya, Tokyo (Japan); Toshio Koike, Kanagawa (Japan); Tokuya Ojimi, Kanagawa (Japan); Takaaki Tawada, Kanagawa (Japan); Takeshi Shintani, Kanagawa (Japan); Yuji Arai, Kanagawa (Japan); Takuji Yoneda, Tokyo (Japan); Masanori Kawasumi, Kanagawa (Japan); and Masami Tomita, Shizuoka (Japan) | ||
| Assigned to Ricoh Company, Ltd., Tokyo (Japan) | ||
| Filed on Feb. 08, 2005, as Appl. No. 11/52,069. | ||
| Claims priority of application No. 2004-032364 (JP), filed on Feb. 09, 2004; application No. 2004-034369 (JP), filed on Feb. 12, 2004; and application No. 2004-081155 (JP), filed on Mar. 19, 2004. | ||
| Prior Publication US 2005/0191081 A1, Sep. 01, 2005 | ||
| Int. Cl. G03G 15/02 (2006.01) | ||
| U.S. Cl. 399—100 [399/357] | 15 Claims |
| 1. A cleaning device provided with a cleaning member that is configured to make contact with cleaning target members, the
cleaning device comprising:
the cleaning member, said cleaning member including a portion composed of melamine resin foam that is configured to make contact
with at least the cleaning target members,
wherein the melamine resin foam is configured to be used on the cleaning target members in a state obtained after the melamine
foam has been compressed from an original shape in a radial direction of the cleaning member so as to have an Asker F hardness
of 5 to 25 points, and,
wherein the melamine resin foam is molded into the form of a roller.
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