logo

For the Inventor, By the Inventor

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 5027745 B1

PDFFull Text
Date of Patent:
Jul. 02, 1991

Filed:

Oct. 16, 1989

Developing apparatus having developer carrying roller with carbon fibers

Applicant:
Inventors:

Michihito Yamazaki, Tokyo, JP;

Katsuhiko Nishimura, Yokohama, JP;

Keiji Okano, Yokohama, JP;

Kouichi Suwa, Yokohama, JP;

Yasuhi Sato, Kawasaki, JP;

Kimio Nakahata, Kawasaki, JP;

Assignee:

Canon Kabushiki Kaisha, Tokyo, JP;

Attorney:

Fitzpatrick, Cella, Harper & Scinto

Primary Examiner:

Joan H Pendegrass

Int. Cl.
CPC ...
G03G / ;
U.S. Cl.
CPC ...
118658 ; 118653 ; 355251 ; 355259 ;
Abstract

A developing apparatus including a developing roller for carrying an one component developer to a developing zone for developing an electrostatic latent image. The developing roller is provided with a surface layer which contains long carbon fibers extending substantially parallel to the axis of the developing roller or extending in a direction inclined relative to the roller axis, and a binder for binding the carbon fibers.

Find Patent Forward Citations

Yamazaki, Michihito. (1991). Developing apparatus having developer carrying roller with carbon fibers (U.S. Patent No. 5027745). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/5027745

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

Loading…