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.:
Date of Patent:
May. 05, 2026
Filed:
Jan. 03, 2025
Brother Kogyo Kabushiki Kaisha, Nagoya, JP;
Nao Itabashi, Nagoya, JP;
BROTHER KOGYO KABUSHIKI KAISHA, Nagoya, JP;
Abstract
A drum cartridge includes a drum frame, a photosensitive drum rotatable about a drum axis extending in a first direction, a drum electrical contact surface, a relay electrode, and a holder holding the drum electrical contact surface. A developing cartridge including a developing roller and a memory is attachable to the drum frame. The drum electrical contact surface is positioned at one end portion of the drum frame in the first direction. The relay electrode is electrically connected to the memory in a state where the developing cartridge is attached to the drum frame. The holder is positioned at the one end portion of the drum frame in the first direction and is movable relative to the drum frame. The holder has a holder terminal electrically connected to the drum electrical contact surface and electrically connectable to the relay electrode.