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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.:

US 12769247 B1

PDFFull Text
Date of Patent:
Oct. 20, 2026

Filed:

Jan. 13, 2025

Developing cartridge

Applicant:

Brother Kogyo Kabushiki Kaisha, Nagoya, JP;

Inventors:

Ryuji Noda, Nagoya, JP;

Junya Sumida, Ama, JP;

Ryosuke Hayashi, Nagoya, JP;

Yasuo Fukamachi, Nagoya, JP;

Assignee:

BROTHER KOGYO KABUSHIKI KAISHA, Nagoya, JP;

Attorney:

Merchant & Gould P.C.

Primary Examiner:

Sophia S Chen

Int. Cl.
CPC ...
G03G 15/08 (2006.01); G03G 21/16 (2006.01); G03G 21/18 (2006.01);
U.S. Cl.
CPC ...
G03G 21/1647 (2013.01); G03G 15/0863 (2013.01); G03G 21/1652 (2013.01); G03G 21/1814 (2013.01); G03G 21/1821 (2013.01); G03G 21/1871 (2013.01); G03G 2221/1823 (2013.01); G03G 2221/1853 (2013.01);
Abstract

The developing cartridge includes a housing, a developing roller, a memory, a holder, and a cover, the developing roller rotates about a developing axis extending in a first direction, and the holder holds the electrical contact surface. The housing has a first boss extending in the first direction toward the cover, and a screw for attaching the cover to the housing is fastened to the first boss. The holder has a hole extending in the first direction, and the first boss is inserted into the hole. Thus, the first boss has a function of receiving a screw for attaching the cover to the housing and a function of holding the holder. This can reduce the number of parts of the developing cartridge.

Find Patent Forward Citations

Noda, Ryuji. (2026). Developing cartridge (U.S. Patent No. 12769247). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/12769247

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

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