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:
Sep. 15, 2020
Filed:
Nov. 15, 2019
Applicant:
Canon Kabushiki Kaisha, Tokyo, JP;
Inventors:
Assignee:
Canon Kabushiki Kaisha, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G03G 15/08 (2006.01); G03G 21/16 (2006.01);
U.S. Cl.
CPC ...
G03G 15/0812 (2013.01); G03G 15/0891 (2013.01); G03G 21/1647 (2013.01); G03G 2215/0861 (2013.01);
Abstract
There is provided a developing device including, when viewed in a section perpendicular to a rotational axis of a rotatable developing member, a recessed portion to grip a resin-made regulating blade formed on an upstream side of the regulating blade with respect to a closest position where the regulating blade comes closest to the rotatable developing member in a rotation direction of the rotatable developing member, and a vertical length of the recessed portion in a direction vertical to a straight line passing through the closest position and a rotation center of the rotatable developing member is 0.5 mm or more.