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. 12, 2016
Filed:
Sep. 30, 2014
Kyocera Document Solutions Inc., Osaka, JP;
Minoru Wada, Osaka, JP;
Takefumi Yotsutsuji, Osaka, JP;
KYOCERA Document Solutions Inc., Osaka, JP;
Abstract
A development device includes a development case, a first agitating/conveying member and a second agitating/conveying member. The first agitating/conveying member is arranged below the second agitating/conveying member to convey the developer in a first direction. The second agitating/conveying member conveys the developer in a second direction as an opposite direction to the first direction to supply the developer to the developer carrier. The development case includes a first conveyance chamber, a second conveyance chamber, a first communicating portion communicating end parts of the first conveyance chamber and second conveyance chamber in the first direction, and a second communicating portion communicating end parts of the first conveyance chamber and second conveyance chamber in the second direction. The developer carrier has a first ferromagnetic area having magnetic force stronger than another area of the developer carrier, in which the first ferromagnetic area corresponds to the first communicating portion.