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. 27, 2009
Filed:
Mar. 06, 2007
Toru Kabashima, Toride, JP;
Toru Kabashima, Toride, JP;
Canon Kabushiki Kaisha, Tokyo, JP;
Abstract
An image forming apparatus includes a rotatable image bearing member; a first rotatable developer carrying member for carrying a magnetic one component developer to a first developing position to develop a latent image on the image bearing member; a second rotatable developer carrying member, provided downstream of the first developer carrying member with respect to a rotational direction of the image bearing member, for carrying the magnetic one component developer to a second developing position to develop a latent image on the image bearing member. The second developer carrying member is rotatable in the same rotational direction as the first developer carrying member. The image forming apparatus further includes, a first magnetic member provided in the first developer carrying member and having a plurality of magnetic poles, and a second magnetic member provided in the second developer carrying member, also having a plurality of magnetic poles.