US 11,754,945 B2
Toner storage apparatus
Tsukasa Abe, Kanagawa (JP)
Assigned to Canon Kabushiki Kaisha, Tokyo (JP)
Filed by CANON KABUSHIKI KAISHA, Tokyo (JP)
Filed on Jan. 21, 2022, as Appl. No. 17/581,756.
Claims priority of application No. 2021-017509 (JP), filed on Feb. 5, 2021.
Prior Publication US 2022/0253002 A1, Aug. 11, 2022
Int. Cl. G03G 15/08 (2006.01)
CPC G03G 15/0881 (2013.01) [G03G 15/0867 (2013.01); G03G 15/0868 (2013.01); G03G 15/0877 (2013.01); G03G 15/0886 (2013.01); G03G 2215/066 (2013.01)] 18 Claims
OG exemplary drawing
 
1. A toner storage apparatus to which a toner cartridge is mountable by being moved in a moving direction, the toner cartridge being provided with a supply port for supplying the toner, the toner storage apparatus comprising:
a toner storage frame provided with a reception port and a seal attachment surface, the toner storage frame being configured to store the toner supplied from the supply port of the toner cartridge through the reception port, the toner storage frame having a protruding portion protruding from the seal attachment surface; and
a seal portion attached to the seal attachment surface of the toner storage frame, the seal portion having a rubbing surface configured to come into rubbing contact with the toner cartridge when the toner cartridge is moved in the moving direction, the seal portion being provided with a communication hole communicating with the reception port of the toner storage frame,
wherein at least a part of the protruding portion is disposed inside the communication hole of the seal portion and upstream of the reception port of the toner storage frame in the moving direction,
wherein a tip of the protruding portion is located closer to the seal attachment surface than the rubbing surface in a direction perpendicular to the seal attachment surface in a state where the toner cartridge is not mounted to the toner storage apparatus, and
wherein the seal portion is in contact with an outer peripheral surface of the protruding portion that extends toward the communication hole of the seal portion.