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. 30, 2025

Filed:

Feb. 22, 2023
Applicant:

Canon Kabushiki Kaisha, Tokyo, JP;

Inventors:

Masahiro Suetsugu, Kanagawa, JP;

Hiroyuki Munetsugu, Kanagawa, JP;

Shinjiro Toba, Kanagawa, JP;

Shinichi Nishida, Kanagawa, JP;

Yuichi Fukui, Kanagawa, JP;

Takeo Kawanami, Kanagawa, JP;

Yasuyuki Egami, Tokyo, JP;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G03G 21/18 (2006.01);
U.S. Cl.
CPC ...
G03G 21/1857 (2013.01); G03G 21/1814 (2013.01); G03G 21/1821 (2013.01); G03G 21/1825 (2013.01); G03G 21/1853 (2013.01); G03G 2221/1684 (2013.01); G03G 2221/1861 (2013.01); G03G 2221/1869 (2013.01);
Abstract

An image forming apparatus includes a main assembly and a plurality of process cartridges detachably mountable to the main assembly. The process cartridges each includes a photosensitive member, a first frame rotatably supporting the photosensitive member, a developing member for depositing toner onto the photosensitive member, and a second frame rotatably supporting the developing member and movable relative to the first frame between a developing position for the developing member to deposit the toner onto the photosensitive member and a retracted position in which the developing member is more remote from the photosensitive member than in the developing position. The apparatus further includes a connecting member connecting at least two of the second frames of the process cartridges and removable from at least one of the process cartridges and from the main assembly.


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