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:
Oct. 03, 1995
Filed:
Mar. 08, 1994
Applicant:
Inventors:
Minoru Yoshida, Tokyo, JP;
Takeshi Watanabe, Tokyo, JP;
Shigeru Fujiwara, Kanagawa, JP;
Masashi Takahashi, Kanagawa, JP;
Assignee:
Kabushiki Kaisha Toshiba, Kawasaki, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G03G / ;
U.S. Cl.
CPC ...
355219 ; 355277 ;
Abstract
A charging device in an image forming apparatus is provided with an image carrier such as a photosensitive drum or image forming medium on which an electrostatic latent image is developed. The charging device has a brush roller for charging the carrier. The roller brush is rotatably mounted and formed with inclined fibers planted on a shaft, the roller brush satisfying the following formulas: