US 12,235,598 B2
Developing device and image forming apparatus
Sohta Sugimoto, Kanagawa (JP); Shinichi Nishida, Kanagawa (JP); Hiroyuki Munetsugu, Kanagawa (JP); Goshi Ozaki, Kanagawa (JP); Mitsuhiro Sato, Tokyo (JP); and Masahiro Suetsugu, Kanagawa (JP)
Assigned to CANON KABUSHIKI KAISHA, Tokyo (JP)
Filed by CANON KABUSHIKI KAISHA, Tokyo (JP)
Filed on Sep. 12, 2023, as Appl. No. 18/367,029.
Claims priority of application No. 2022-164341 (JP), filed on Oct. 12, 2022.
Prior Publication US 2024/0126188 A1, Apr. 18, 2024
Int. Cl. G03G 15/08 (2006.01)
CPC G03G 15/0889 (2013.01) [G03G 15/0874 (2013.01); G03G 2215/0673 (2013.01)] 16 Claims
OG exemplary drawing
 
1. A developing device for use with an image forming apparatus and to which a replenishing container for replenishing toner is detachably mountable, the developing device comprising:
an accommodating portion configured to accommodate the toner;
a developing roller configured to supply the toner in the accommodating portion to an image bearing member; and
a stirring member configured to stir the toner in the accommodating portion,
wherein the accommodating portion includes a receiving opening through which the toner replenished from the replenishing container is received in the accommodating portion, the receiving opening being provide on a first end side of the accommodating portion with respect to a rotational axis direction of the developing roller, and
wherein an opening area of the receiving opening in a case in which the developing device is viewed in the rotational axis direction is wider than the opening area of the receiving opening in a case viewed in a direction perpendicular to the rotational axis direction.