Patent ID: 11899392
Assignee: BROTHER KOGYO KABUSHIKI KAISHA
Field: Optics (Instruments)
Classification: CPC G | IPC G

Claim 0:
1. A cartridge detachably attachable to a frame having an opening, the cartridge comprising:
a casing configured to accommodate toner therein, the casing having a first end portion and a second end portion spaced apart from the first end portion in a first direction, the casing having a third end portion and a fourth end portion spaced apart from the third end portion in a second direction;
a developing roller rotatable about a developing roller axis extending in the first direction, the developing roller being positioned at the third end portion; and
an electrical contact surface positioned at a bottom surface of the casing, the electrical contact surface being positioned closer to the first end portion than to the second end portion in the first direction, the electrical contact surface being positioned closer to the third end portion than to the fourth end portion in the second direction,
wherein the electrical contact surface is exposed to an outside of the frame through the opening in a case where the cartridge is attached to the frame.