US 12,117,764 B2
Toner cartridge
Takashi Kimura, Tokyo (JP); Go Torii, Kanagawa (JP); and Yasuyuki Egami, Tokyo (JP)
Assigned to Canon Kabushiki Kaisha, Tokyo (JP)
Filed by CANON KABUSHIKI KAISHA, Tokyo (JP)
Filed on Jun. 15, 2023, as Appl. No. 18/210,147.
Claims priority of application No. 2022-102276 (JP), filed on Jun. 24, 2022.
Prior Publication US 2023/0418214 A1, Dec. 28, 2023
Int. Cl. G03G 15/08 (2006.01); G03G 21/12 (2006.01); G03G 21/16 (2006.01); G03G 21/18 (2006.01)
CPC G03G 21/1814 (2013.01) [G03G 15/0862 (2013.01); G03G 15/0865 (2013.01); G03G 15/0881 (2013.01); G03G 15/0896 (2013.01); G03G 21/12 (2013.01); G03G 21/1633 (2013.01); G03G 21/1676 (2013.01)] 14 Claims
OG exemplary drawing
 
1. A toner cartridge comprising:
a toner accommodating unit including a first accommodating portion and a second accommodating portion and configured to accommodate toner,
wherein the toner accommodating unit includes a first end portion and a second end portion on a side opposite from the first end portion with respect to a first direction and includes a third end portion and a fourth end portion on a side opposite from the third end portion with respect to a second direction crossing the first direction,
wherein the first accommodating portion is on a side closer to the first end portion than to the second end portion in the first direction and the second accommodating portion is on a side closer to the second end portion than to the first end portion in the first direction,
wherein the first accommodating portion is provided with a discharge opening for permitting discharge of the toner, accommodated in the first accommodating portion, to outside of the toner cartridge, the discharge opening being positioned closer to the third end portion than to the fourth end portion in the second direction,
wherein the second accommodating portion is provided with a receiving opening for receiving the toner from outside of the toner cartridge to the second accommodating portion, the receiving opening being positioned closer to the third end portion than to the fourth end portion in the second direction; and
a light transmitting portion having an incident surface and an emergent surface,
wherein the incident surface is configured so that light is capable of being incident from outside of the toner cartridge into an inside of the second accommodating portion,
wherein the emergent surface is configured so that the light incident into the inside of the second accommodating portion through the incident surface is capable of emerging to outside of the toner cartridge, and
wherein the incident surface and the emergent surface are positioned closer to the fourth end portion than to the third end portion in the second direction and are exposed to outside of the cartridge.