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:
Jul. 21, 2020

Filed:

Mar. 20, 2019
Applicant:

Toshiba Tec Kabushiki Kaisha, Shinagawa-ku, Tokyo, JP;

Inventor:

Masayuki Kasukawa, Misato Saitama, JP;

Assignee:
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G03G 15/08 (2006.01);
U.S. Cl.
CPC ...
G03G 15/0891 (2013.01); G03G 15/0865 (2013.01);
Abstract

According to one embodiment, a developing device includes a developer storage unit, a toner supply unit, a magnet roller, a first stirring screw, and a second stirring screw. The developer storage unit is configured to be made to be able to circulate and convey a developer. The toner supply unit supplies a toner to the developer storage unit. The magnet roller adsorbs the developer. The first stirring screw conveys the developer from a second opening portion to a first opening portion along a longitudinal direction. The second stirring screw includes a rotating shaft, a screw, a paddle, and a protrusion. The screw conveys the developer from the first opening portion to the second opening portion along the longitudinal direction by rotation. The paddle protrudes from the rotating shaft to a lateral side. The paddle stirs the developer by rotation. The protrusion protrudes from the paddle in the rotating direction.


Find Patent Forward Citations

Kasukawa, Masayuki. (2020). Developing device and image forming apparatus (U.S. Patent No. 10719034). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/10719034

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

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