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.:

US 9400452 B1

PDF
Full Text
Expired
Date of Patent:
Jul. 26, 2016

Filed:

Jan. 29, 2015
Applicant:

Oki Data Corporation, Tokyo, JP;

Inventor:

Fumitaka Ozeki, Tokyo, JP;

Assignee:
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G03G 15/08 (2006.01);
U.S. Cl.
CPC ...
G03G 15/0898 (2013.01); G03G 15/0815 (2013.01);
Abstract

An image forming unit includes a first developer supply member that is arranged inside a developer container and supplies a developer to a developer carrier, a seal member of which a fixed end is fixed on a case. The case has a first wall part that extends from the fixed end obliquely downward with respect to a vertical direction and a second wall part that continues from the first wall part and extends along an outer peripheral surface of the first developer supply member, and a first distance between an inner peripheral surface of the first wall part and the outer peripheral surface of the first developer supply member becomes smaller with increasing distance from the fixed end of the seal member.


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