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:
Nov. 12, 2019

Filed:

Dec. 07, 2018
Applicant:

Canon Kabushiki Kaisha, Tokyo, JP;

Inventor:

Hideaki Suzuki, Tokyo, JP;

Assignee:
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G03G 15/08 (2006.01);
U.S. Cl.
CPC ...
G03G 15/0887 (2013.01); G03G 2215/0822 (2013.01);
Abstract

A developing apparatus includes a developer carrier configured to carry developer, a developer container having a first chamber and a second chamber, a first conveying member provided in the first chamber, and including a first conveying unit and, on a downstream side in a first direction, a reverse conveying unit, a second conveying member, a discharge unit configured to discharge the developer, and a partition wall having a first communication port and a second communication port and configured to partition the first chamber and the second chamber. In addition, a plurality of protruding portions are provided so as to oppose the first conveying member at a position above a region between the first conveying unit and the reverse conveying unit in a vertical direction, each of the protruding portions extending along the first direction, wherein the plurality of protruding portions are arranged in a row in a direction orthogonal to the first direction.


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