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:
Dec. 19, 2000
Filed:
Aug. 04, 1998
Fumiteru Gomi, Shizuoka-ken, JP;
Atsushi Takeda, Mishima, JP;
Kouichi Hashimoto, Numazu, JP;
Yoshiyuki Komiya, Mishima, JP;
Canon Kabushiki Kaisha, Tokyo, JP;
Abstract
A charging apparatus includes a magnetic brush charging member for being supplied with a voltage to electrically charge a member to be charged, said charging member including a magnetic particle layer contactable to the member to be charged and a carrying member for carrying the magnetic particle layers, wherein said magnetic particle layer is moved along a peripheral surface of said carrying member; and stirring means, contactable to said magnetic particle layer carried by said carrying member, for stirring said magnetic particle layer in a longitudinal direction of said carrying member.