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:
Nov. 17, 2009
Filed:
Sep. 07, 2004
Hiroshi Onda, Yamatokoriyama, JP;
Toshio Nishino, Yamatokoriyama, JP;
Syohji Tomita, Yao, JP;
Takeshi Wakabayashi, Souraku-gun, JP;
Hiroshi Ishii, Osaka, JP;
Hiroshi Onda, Yamatokoriyama, JP;
Toshio Nishino, Yamatokoriyama, JP;
Syohji Tomita, Yao, JP;
Takeshi Wakabayashi, Souraku-gun, JP;
Hiroshi Ishii, Osaka, JP;
Sharp Kabushiki Kaisha, Osaka, JP;
Abstract
A developing device comprises a stirring rollerhaving stirring bladesfor stirring a developer, a developing rollerfor transferring the developer to an electrostatic latent image, a control memberfor controlling the amount of developer transferred from the developing rollerto the electrostatic latent image, a reflux plateby which the excess developer resulting from control by the control memberis flowed back to the stirring roller, one end portion of the reflux platebeing disposed in the vicinity of the outer periphery of the stirring roller, part of the developer stirred by the stirring rollerflying toward the reflux plate, wherein said one end portion of the reflux plateis disposed at a position remote from the stirring rollerover a distance greater then the maximum fly distance of the developer provided by rotation of the stirring roller