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.

Date of Patent:
Oct. 17, 2023

Filed:

Mar. 15, 2022
Applicant:

Ricoh Company, Ltd., Tokyo, JP;

Inventors:

Hiroaki Nieda, Kanagawa, JP;

Kuniyori Takano, Tokyo, JP;

Shinichi Arasawa, Tokyo, JP;

Assignee:

RICOH COMPANY, LTD., Tokyo, JP;

Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G03G 21/10 (2006.01); G03G 15/08 (2006.01); G03G 21/18 (2006.01); G03G 21/12 (2006.01);
U.S. Cl.
CPC ...
G03G 15/0886 (2013.01); G03G 21/10 (2013.01); G03G 21/12 (2013.01); G03G 21/1814 (2013.01); G03G 21/1821 (2013.01); G03G 15/0875 (2013.01); G03G 2215/067 (2013.01); G03G 2215/0668 (2013.01); G03G 2215/0692 (2013.01); G03G 2221/1612 (2013.01); G03G 2221/1624 (2013.01);
Abstract

A powder container includes a toner storage disposed at an upper portion of the powder container and a powder collection portion disposed at a lower portion of the powder container. There is a conveying rotator inside the powder collection portion, the conveying rotator including a shaft portion and one of a screw blade and a coil wound around the shaft portion. There is further a flexible sheet to contact the conveying rotator and swing in a flow path from the outlet port to the conveying rotator. The flexible sheet includes a contact portion that contacts one of the screw blade and the coil; and a tip that does not contact the screw blade and does not contact the coil, the tip having a greater width than the contact portion.


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