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. 15, 2019
Filed:
Sep. 25, 2015
Canon Kabushiki Kaisha, Tokyo, JP;
Tomoharu Kitajima, Toride, JP;
Yushi Sadamitsu, Kashiwa, JP;
CANON KABUSHIKI KAISHA, Tokyo, JP;
Abstract
A developing device is usable with a first image forming apparatus and a second image forming apparatus which include respective image bearing members movable at different rotational speeds during an image forming operation, and includes a rotatable developer bearing member that develops an electrostatic latent image formed on the image bearing member, a developer container that accommodates a developer, and a feeding member to feed the developer in the developing container. In addition, a discharge opening is provided in the developer container and permits discharging of the developer from the developer container, and a covering member is movable relative to the developer container and capable of changing a lower end of the discharge opening between a first level for discharging toner and a second level for discharging toner, depending on which image forming apparatus the developing device is used with, wherein the first and second levels are different from each other.