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:
Mar. 29, 2022

Filed:

Feb. 19, 2020
Applicant:

Canon Kabushiki Kaisha, Tokyo, JP;

Inventors:

Hiroaki Nosho, Suntou-gun, JP;

Toru Oguma, Mishima, JP;

Tetsuya Numata, Suntou-gun, JP;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G03G 21/16 (2006.01); G03G 15/08 (2006.01); G03G 21/18 (2006.01);
U.S. Cl.
CPC ...
G03G 21/1652 (2013.01); G03G 15/086 (2013.01); G03G 21/1676 (2013.01); G03G 21/1821 (2013.01); G03G 21/1871 (2013.01);
Abstract

There are demands for stable connections of contact points between a process cartridge, including a development device, and an image forming device. A development contact point, a first contact point, and a second contact point are disposed in this order on the inside in a perpendicular direction with respect to an insertion direction in which a development device is inserted into an image forming apparatus.


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