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 8131180 B1

PDF
Full Text
Expired
Date of Patent:
Mar. 06, 2012

Filed:

Oct. 23, 2008
Applicant:

Isao Ito, Saitama, JP;

Inventor:

Isao Ito, Saitama, JP;

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

A developing apparatus includes a housing having an opening that opens towards an image carrier onto which an electrostatic latent image is formed, a developer accommodating unit in which a developer is accommodated, and a continuous charge hole connected with the developer accommodating unit; a developer carrier that carries the developer accommodated in the developer accommodating unit and transports the developer to a developing region in opposition to the image carrier; a sheet member that is provided in the developer accommodating unit and seals a continuous feeding hole; and an insertion hole that is formed in the housing and allows the sheet member to be inserted through when the sheet member is pulled out, wherein the insertion hole has a shape having ends which are more distant from the continuous charge hole than parts of the shape other than the ends.


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