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. 05, 1994

Filed:

Oct. 23, 1992
Applicant:
Inventors:

Kazuo Yasuda, Hachioji, JP;

Hiroyuki Tokimatsu, Hachioji, JP;

Masakazu Fukuchi, Hachioji, JP;

Meizo Shirose, Hachioji, JP;

Yoshiaki Kobayahi, Hachioji, JP;

Assignee:

Konica Corporation, Tokyo, JP;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B24C / ;
U.S. Cl.
CPC ...
51319 ; 5128 / ; 51326 ;
Abstract

An developer for developing a latent image with a developing agent such as toner. The developer includes a developing sleeve for holding the developing agent on its surface, in which magnetic poles are provided in the developing sleeve; a equalizer bar for equalizing the amount of the developing agent on the surface of the developing sleeve; a pressing member to press the equalizer bar onto the developing sleeve. In the developer, a radius of curvature of the equalizer bar is between 0.5 mm and 15 mm, and the developing sleeve is processed to have a jagged surface which is defined by a glossiness between 2% Gs and 1400% Gs (20.degree.).


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