US 12,140,882 B2
Developing cartridge including electrical contact surface positioned away from developing roller
Saya Minoshima, Gifu (JP); Tomitake Aratachi, Toyokawa (JP); and Keita Shimizu, Nagoya (JP)
Assigned to BROTHER KOGYO KABUSHIKI KAISHA, Nagoya (JP)
Filed by BROTHER KOGYO KABUSHIKI KAISHA, Nagoya (JP)
Filed on Jul. 18, 2023, as Appl. No. 18/354,091.
Application 18/354,091 is a continuation of application No. PCT/JP2022/006566, filed on Feb. 18, 2022.
Claims priority of application No. 2021-029023 (JP), filed on Feb. 25, 2021.
Prior Publication US 2023/0359137 A1, Nov. 9, 2023
Int. Cl. G03G 15/08 (2006.01); G03G 21/18 (2006.01)
CPC G03G 15/0867 (2013.01) [G03G 15/0808 (2013.01); G03G 21/1839 (2013.01); G03G 2215/00679 (2013.01); G03G 2215/025 (2013.01); G03G 2215/0643 (2013.01); G03G 2215/066 (2013.01); G03G 2221/1654 (2013.01)] 23 Claims
OG exemplary drawing
 
1. A developing cartridge comprising:
a casing configured to accommodate toner therein;
a developing roller rotatable about a developing axis extending in a first direction, the developing roller being positioned at one end portion of the casing in a second direction crossing the first direction;
a developing electrode electrically connected to the developing roller, the developing electrode being positioned at one end portion of the casing in the first direction;
a supply roller rotatable about a supply axis extending in the first direction, the supply roller being configured to supply toner to the developing roller;
a supply electrode electrically connected to the supply roller, the supply electrode being positioned at the one end portion of the casing in the first direction; and
an IC chip having an electrical contact surface positioned at the one end portion of the casing in the first direction,
wherein the electrical contact surface is positioned opposite the developing electrode with respect to a part of the supply electrode in the second direction.