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:
Apr. 23, 2002
Filed:
Oct. 06, 1999
Applicant:
Inventors:
Yukihiro Ozeki, Yokohama, JP;
Katsuhiro Sakaizawa, Numazu, JP;
Assignee:
Canon Kabushiki Kaisha, Tokyo, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B32B 9/04 ; G03G 1/508 ; G03G 1/516 ;
U.S. Cl.
CPC ...
B32B 9/04 ; G03G 1/508 ; G03G 1/516 ;
Abstract
It is proposed to provide a developing agent carrier, developing unit, and image forming apparatus which can stably obtain a high-quality image. There is provided a developing agent carrier comprising an elastic portion which comes into contact with an image carrier, wherein an Asker C hardness of the elastic portion is not less than 20 and not more than 40, and a dynamic friction coefficient of a surface of the elastic portion is not less than 0.01 and not more than 0.2.