DEVELOPING CARTRIDGE, DRUM CARTRIDGE, AND PROCESS UNIT

Title:

DEVELOPING CARTRIDGE, DRUM CARTRIDGE, AND PROCESS UNIT

Document Type and Number:

WIPO Patent Application WO/2021/201070

Kind Code:

A1

Abstract:

A developing cartridge (20) attachable to a drum cartridge (50) includes: a casing (21) configured to accommodate developing agent therein; a developing roller (22) rotatable about a developing roller axis (A22) extending in a first direction and positioned at one end of the casing (21) in a second direction crossing the first direction; a developing memory (31); and an electrical contact surface (33) positioned at one end in the first direction of the casing (21) and electrically connected to the developing memory (31). In a state where the developing cartridge (20) is attached to the drum cartridge (50), the electrical contact surface (33) of the developing cartridge (20) is positioned between the developing roller (22) and an electrical contact surface (553) of the drum cartridge (50) in the second direction.

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Inventors:

KUSUDA SHINYA (JP)
FUKAMACHI YASUO (JP)

Application Number:

PCT/JP2021/013765

Publication Date:

October 07, 2021

Filing Date:

March 31, 2021

Export Citation:

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Assignee:

BROTHER IND LTD (JP)

International Classes:

G03G21/18; G03G21/16

Foreign References:

US20190391529A1	2019-12-26
JP2019204134A	2019-11-28
US20200033790A1	2020-01-30
US20110293295A1	2011-12-01
US20180107155A1	2018-04-19
JP2020166089A	2020-10-08
US20150355573A1	2015-12-10