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:
Oct. 06, 2015
Filed:
Apr. 24, 2014
Canon Kabushiki Kaisha, Tokyo, JP;
Takakuni Kobori, Toride, JP;
Nozomu Komatsu, Toride, JP;
Hideki Kaneko, Yokohama, JP;
Takeshi Hashimoto, Moriya, JP;
Ichiro Kanno, Abiko, JP;
Yosuke Iwasaki, Abiko, JP;
Hiroyuki Fujikawa, Yokohama, JP;
CANON KABUSHIKI KAISHA, Tokyo, JP;
Abstract
Provided is a developer replenishing cartridge excellent in accuracy with which an image forming apparatus is replenished with a developer irrespective of a use environment even when the developer is in a consolidated state. The developer replenishing cartridge includes: a developer replenishing container and a developer, being removably mountable to a developer replenishing apparatus; in which: the developer replenishing container includes a pump portion that operates so that a state where the internal pressure of a developer containing portion is lower than the atmospheric pressure and a state where the pressure is higher than the atmospheric pressure alternately repeatedly switch with each other; and the developer contains toner having a uniaxial collapse stress at a maximum consolidation stress of 10.0 kPa, of 2.5 kPa or more and 3.5 kPa or less.