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. 06, 2010

Filed:

Jul. 05, 2006
Applicants:

Yoshiki Ohmichi, Toyokawa, JP;

Masayoshi Kuroda, Toyokawa, JP;

Inventors:

Yoshiki Ohmichi, Toyokawa, JP;

Masayoshi Kuroda, Toyokawa, JP;

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

A development apparatus has a casing, a regulation plate, a smoky dust prevention sheet and a backup member which are fixed together onto the casing with a screw. The backup member sandwiches a fixed end portion of the smoky dust prevention sheet with the regulation plate. Therefore, the backup member suppresses detachment of the smoky dust prevention sheet from the regulation plate. Thus, the smoky dust prevention sheet is prevented from being detached from the regulation plate when the smoky dust prevention sheet is used in contact with a development roller in the state of being bended.


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