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. 31, 2013
Filed:
Jun. 21, 2011
Futoshi Okazaki, Toyokawa, JP;
Hirofumi Ishida, Toyokawa, JP;
Futoshi Okazaki, Toyokawa, JP;
Hirofumi Ishida, Toyokawa, JP;
Konica Minolta Business Technologies, Inc., Chiyoda-Ku, Tokyo, JP;
Abstract
A developing device comprising: a first transport member disposed in a first transport passage and configured to rotate and thereby transport developer; a second transport member disposed in a second transport passage and configured to rotate and thereby transport the developer; and a developer carrier configured to carry the developer supplied from the first transport passage, wherein the second transport passage is composed of an upstream section and a downstream section, the second transport passage communicates with the first transport passage via a first communication passage and a second communication passage, the upstream section is configured to receive refill toner, and V<V<V, where Vdenotes an average transport speed of the first transport member, Vdenotes an average transport speed of an upstream section of the second transport member, and Vdenotes an average transport speed of a downstream section of the second transport member.