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:
Jan. 30, 2007
Filed:
Oct. 08, 2002
Isao Endo, Hachioji, JP;
Hiroyuki Yamada, Hachioji, JP;
Isao Endo, Hachioji, JP;
Hiroyuki Yamada, Hachioji, JP;
Konica Corporation, Tokyo, JP;
Abstract
An image forming apparatus structured with an image carrier; a developing device for making a toner image by using a toner having resin particles, which are obtained through particle formation in an aqueous medium; a transfer device for transferring the toner image onto a transfer material; and a cleaning device for removing residual toner remaining on the image carrier after transferring, wherein the cleaning device has: a cleaning roller having a conductive or semi-conductive resilient body; a cleaning blade made of a resilient material and provided downstream the cleaning roller; a power source to apply a bias voltage on the cleaning roller; and a collecting member to collect the toner removed by the cleaning roller; and wherein the absolute value of the charge amount of the toner used in the image forming apparatus is between 20–50 μC/g.