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:
Sep. 26, 1989
Filed:
Aug. 04, 1988
Applicant:
Inventors:
Tsuyoshi Watanabe, Kawasaki, JP;
Takao Honda, Kawasaki, JP;
Assignee:
Canon Kabushiki Kaisha, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G03G / ;
U.S. Cl.
CPC ...
355251 ; 355253 ; 355265 ;
Abstract
A developing apparatus for developing a latent image includes a device for supplying developer powder; a developer carrying member for carrying the developer powder supplied from the supplying device to a developing zone where a latent image bearing member is passed; wherein a surface of the developer carrying member for carrying the developer powder is blast-treated by a mixture of regular particles and irregular particles.