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:
Nov. 09, 2021

Filed:

Jan. 28, 2020
Applicant:

Brother Kogyo Kabushiki Kaisha, Nagoya, JP;

Inventors:

Junichi Hashimoto, Toyohashi, JP;

Go Iwasa, Nagoya, JP;

Masayoshi Mita, Nagoya, JP;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G03G 15/08 (2006.01); G03G 21/18 (2006.01); G03G 21/16 (2006.01); G03G 15/00 (2006.01);
U.S. Cl.
CPC ...
G03G 15/0889 (2013.01); G03G 15/0863 (2013.01); G03G 15/0896 (2013.01); G03G 15/80 (2013.01); G03G 21/1652 (2013.01); G03G 21/1832 (2013.01); G03G 21/1867 (2013.01); G03G 21/1875 (2013.01); G03G 21/1878 (2013.01); G03G 21/1885 (2013.01); G03G 2215/0697 (2013.01); G03G 2221/1823 (2013.01);
Abstract

A developer cartridge includes a housing, a developing roller, an agitator, a memory, and a cover. The housing is configured to store toner therein and has one end portion and the other end portion in a first direction. The developing roller is rotatable about a first axis extending in the first direction. The agitator is rotatable about a second axis extending in the first direction. The agitator is positioned spaced apart from the developing roller. The memory includes an electrical contact surface. The electrical contact surface is positioned at an outer surface of the housing and at the one end portion of the housing in the first direction, and is disposed between the developing roller and the agitator in a second direction from the first axis toward the second axis. The cover has an opening open in the second direction and covers the electrical contact surface.


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