(19)
(11) EP 4 726 477 A3

(12) EUROPEAN PATENT APPLICATION

(88) Date of publication A3:
08.07.2026 Bulletin 2026/28

(43) Date of publication A2:
15.04.2026 Bulletin 2026/16

(21) Application number: 26161552.0

(22) Date of filing: 22.08.2016
(51) International Patent Classification (IPC): 
G03G 21/16(2006.01)
G03G 15/08(2006.01)
 G03G 21/18(2006.01)
(52) Cooperative Patent Classification (CPC):
G03G 15/0863; G03G 21/1652; G03G 21/1676; G03G 21/1896; G03G 21/1867; G03G 21/1647
(84) Designated Contracting States:
AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR

(62) Application number of the earlier application in accordance with Art. 76 EPC:
23195345.6 / 4266126
20189862.4 / 3754430
16185126.6 / 3287853

(71) Applicant: BROTHER KOGYO KABUSHIKI KAISHA
Aichi-ken 467-8561 (JP)

(72) Inventors:
  • ITABASHI, Nao
    Nagoya-shi, Aichi, 467-8562 (JP)
  • YOKOI, Junichi
    Nagoya-shi, Aichi, 467-8562 (JP)

(74) Representative: Kuhnen & Wacker Patent- und Rechtsanwaltsbüro PartG mbB 
Prinz-Ludwig-Straße 40 A
85354 Freising
85354 Freising (DE)

   


(54) DEVELOPING CARTRIDGE


(57) A developing cartridge (1) comprising: a casing (10) configured to accommodate developer therein, the casing (10) extending in the first direction; a coupling (41) rotatable about a first axis (83) extending in the first direction, the coupling (41) being positioned at one side of the casing (10) in the first direction; a detection gear (52) rotatable about a second axis (85) extending in the first direction, the detection gear (52) being positioned at another side of the casing (10) in the first direction; a storage medium (61) including an electric contact surface (611), the electric contact surface (611) being positioned at the one side of the casing (10) in the first direction.







Search report












Search report