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.

Date of Patent:
Sep. 19, 2023

Filed:

Aug. 08, 2022
Applicant:

Canon Kabushiki Kaisha, Tokyo, JP;

Inventors:

Takuya Kawakami, Mishima, JP;

Naoya Asanuma, Susono, JP;

Tetsuya Numata, Suntou-gun, JP;

Noriyuki Komatsu, Numazu, JP;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G03G 21/18 (2006.01); G03G 21/16 (2006.01);
U.S. Cl.
CPC ...
G03G 21/1647 (2013.01); G03G 21/1676 (2013.01); G03G 21/1821 (2013.01); G03G 21/1633 (2013.01); G03G 2221/1869 (2013.01);
Abstract

A cartridge is mountable in and dismountable from a main assembly of an image forming apparatus, in which the main assembly includes an opening and an openable member including a discriminating portion. The cartridge includes a process unit including a rotatable photosensitive member and a developing roller configured to supply toner to the photosensitive member, and a developer storage unit configured to store a developer. The developer storage unit is provided with a discharge opening for permitting discharge of the stored developer to the process unit and is mountable to and dismountable from the process unit. The developer storage unit is provided with a portion-to-be-discriminated provided so as to be engaged with the discriminating portion of the openable member when the cartridge is mounted in the main assembly and the openable member is in a closed position.


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