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:
Dec. 04, 2012
Filed:
Feb. 19, 2010
Yoshihiro Fujiwara, Yokohama, JP;
Yasuo Miyoshi, Yokohama, JP;
Takuya Seshita, Hiratsuka, JP;
Norio Kudo, Kawasaki, JP;
Yoshihiro Fujiwara, Yokohama, JP;
Yasuo Miyoshi, Yokohama, JP;
Takuya Seshita, Hiratsuka, JP;
Norio Kudo, Kawasaki, JP;
Ricoh Company, Limited, Tokyo, JP;
Abstract
A development device to develop a latent image with two-component developer includes a developer carrier disposed facing the image carrier, to carry the developer, a magnetic field generator disposed inside the developer carrier, to form multiple magnetic poles around the developer carrier, an interior wall dividing the interior of the development device into a first transport chamber and a second transport chamber parallel to the first transport chamber, a first transport member disposed in the first transport chamber, facing the developer carrier, to supply the developer to the developer carrier while transporting the developer longitudinally, a second transport member disposed in the second transport chamber, facing the developer carrier, to transport the developer separated from the developer carrier longitudinally, a partition disposed between the developer carrier and the second transport member to prevent resupply of the used developer in the second transport chamber from to the developer carrier.