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:
Jan. 04, 2005
Filed:
Apr. 16, 2003
Applicant:
Shinichi Sugiyama, Ibaraki-ken, JP;
Inventor:
Shinichi Sugiyama, Ibaraki-ken, JP;
Assignee:
Canon Kabushiki Kaisha, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G03G 1508 ; G03G 1509 ;
U.S. Cl.
CPC ...
Abstract
The present invention relates to a developing apparatus comprisinga developing container for containing a developing agent and rotatable first and second developing members provided at the developing container as to face an image carrier for developing an electrostatic image formed on the image carrier. The first developing member is secured to the developing container to keep a gap to the image carrier and the second developing member has keeping members at both ends in a longitudinal direction thereof to keep a gap to the image carrier.