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. 03, 2019
Filed:
Apr. 12, 2018
Canon Kabushiki Kaisha, Tokyo, JP;
Tomoyuki Sakamaki, Tokyo, JP;
Canon Kabushiki Kaisha, Tokyo, JP;
Abstract
An image forming apparatus includes a rotatable image bearing member and a rotatable developer bearing member. The image bearing member, configured to carry a toner image, includes first recess portions provided at intervals substantially equal to a first pitch Pdr (mm) in a rotation direction of the image bearing member. The developer bearing member, configured to carry developer comprising toner and carrier and to form the toner image on the image bearing member, includes second recess portions provided at intervals substantially equal to a second pitch Ps (mm) in a rotation direction of the developer bearing member. The following relationship is satisfied