The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Jun. 28, 2022
Filed:
Sep. 10, 2020
Canon Kabushiki Kaisha, Tokyo, JP;
Harunobu Maeda, Tokyo, JP;
Masahito Kato, Suntou-gun, JP;
Kodai Hayashi, Suntou-gun, JP;
Takuya Oka, Yokohama, JP;
Yu Akiba, Susono, JP;
Masato Tanabe, Susono, JP;
Koichi Ooishi, Mishima, JP;
Takatoshi Hamada, Mishima, JP;
Yuichiro Hirata, Susono, JP;
CANON KABUSHIKI KAISHA, Tokyo, JP;
Abstract
A developing device includes a frame having an accommodation chamber where a developer is accommodated, and a replenishing port replenishing a developer to the accommodation chamber from outside, and a stirring member stirring the developer in the accommodation chamber. The stirring member includes a rotating shaft portion rotatably supported by the frame and a sheet member having one end fixed to the rotating shaft portion and another end as a free end and being rotatable with the rotating shaft portion. When the stirring member is rotated, the free end of the sheet member is capable of contacting an inner wall surface of the accommodation chamber in which the replenishing port is formed, and a through hole penetrating in a thickness direction of the sheet member is provided in a region of the sheet member that comes into contact with the inner wall surface of the accommodation chamber.