The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
May. 26, 2009
Filed:
Sep. 13, 2005
Masanori Kawasumi, Yokohama, JP;
Haruji Mizuishi, Oota-ku, JP;
Tokuya Ojimi, Kawasaki, JP;
Toshio Koike, Kawasaki, JP;
Takeshi Shintani, Kawasaki, JP;
Yuji Arai, Kawasaki, JP;
Tazuki Yoneda, Oota-ku, JP;
Ken Amemiya, Nerima-ku, JP;
Takaaki Tawada, Yokohama, JP;
Masami Tomita, Numazu, JP;
Takeshi Uchitani, Kamakura, JP;
Nobuo Kuwahara, Yokohama, JP;
Hiroyuki Nagashima, Yokohama, JP;
Masato Yanagida, Meguro-ku, JP;
Masanori Kawasumi, Yokohama, JP;
Haruji Mizuishi, Oota-ku, JP;
Tokuya Ojimi, Kawasaki, JP;
Toshio Koike, Kawasaki, JP;
Takeshi Shintani, Kawasaki, JP;
Yuji Arai, Kawasaki, JP;
Tazuki Yoneda, Oota-ku, JP;
Ken Amemiya, Nerima-ku, JP;
Takaaki Tawada, Yokohama, JP;
Masami Tomita, Numazu, JP;
Takeshi Uchitani, Kamakura, JP;
Nobuo Kuwahara, Yokohama, JP;
Hiroyuki Nagashima, Yokohama, JP;
Masato Yanagida, Meguro-ku, JP;
Ricoh Company Ltd., Tokyo, JP;
Abstract
An image forming apparatus having an image support body configured to support a latent image, a charging member configured to provide a substantially uniform charge to a surface of the image support body and a spacer coupled to the charging member and configured to contact the image support body to maintain a gap between the image support body and the charging member. A cleaning part is configured to clean the surface of the image support body after developer is applied to the image support body and transferred to a recording medium. The cleaning part is configured to satisfy the relationship A+B≦C, where A is a width of the effective charging area of the charging member that charges a surface of the image support body, B is a total width of the spacer that contacts the image support body, and C is a width of cleaning part that contacts the image support body.