US 11,693,335 B2
Development cartridge
Takuya Oka, Kanagawa (JP); Issei Imamura, Shizuoka (JP); Ryohei Tsutsumi, Shizuoka (JP); and Keitaro Nakata, Shizuoka (JP)
Assigned to Canon Kabushiki Kaisha, Tokyo (JP)
Filed by CANON KABUSHIKI KAISHA, Tokyo (JP)
Filed on Mar. 2, 2022, as Appl. No. 17/685,198.
Application 17/685,198 is a continuation of application No. 17/327,525, filed on May 21, 2021, granted, now 11,300,900.
Claims priority of application No. 2020-095018 (JP), filed on May 29, 2020.
Prior Publication US 2022/0187739 A1, Jun. 16, 2022
Int. Cl. G03G 15/08 (2006.01)
CPC G03G 15/0889 (2013.01) 8 Claims
OG exemplary drawing
 
1. A cartridge comprising:
a development roller configured to bear a developer on the development roller;
a frame member including a developer containing chamber containing the developer, wherein the developer containing chamber includes an inner wall which constitutes the developer containing chamber and is provided with an inlet port through which the developer is replenished from an outside of the cartridge into the developer containing chamber;
a stirring member configured to rotate about a rotational axis of the stirring member and configured to stir the developer contained in the developer containing chamber, wherein the stirring member includes a stirring shaft and a sheet attached to the stirring shaft so as to rotate together with the stirring shaft, and wherein the sheet of the stirring member is configured to rotate in contact with the inner wall of the developer containing chamber so as to block the inlet port at a predetermined timing; and
a conveyance member which is provided outside of the developer containing chamber and which is configured to rotate so as to convey the developer into the developer containing chamber through the inlet port,
wherein the conveyance member is configured to rotate at the predetermined timing.