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:
Mar. 03, 2015
Filed:
Apr. 25, 2014
Yasuo Miyoshi, Yokohama, JP;
Norio Kudo, Kawasaki, JP;
Yoshihiro Fujiwara, Yokohama, JP;
Tsukuru Kai, Fujisawa, JP;
Hiroshi Hosokawa, Yokohama, JP;
Hiroaki Okamoto, Zama, JP;
Yasuo Miyoshi, Yokohama, JP;
Norio Kudo, Kawasaki, JP;
Yoshihiro Fujiwara, Yokohama, JP;
Tsukuru Kai, Fujisawa, JP;
Hiroshi Hosokawa, Yokohama, JP;
Hiroaki Okamoto, Zama, JP;
Ricoh Company, Limited, Tokyo, JP;
Abstract
A development device can include a developer containing part containing developer, a carrier to carry developer that is supplied from the developer containing part to a development range, a partition dividing the developer containing part into a supply part and a circulation part beneath the supply part to collect developer from the carrier, a first transport member in the supply part of the developer containing part to supply developer from the supply part to the carrier, and a second transport member in the circulation part to transport developer in the circulation part in an axial direction of the carrier. The device can also include a removable seal member, which seals a supplied-developer and/or a collected-developer communicating area.