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. 11, 2022
Filed:
Apr. 11, 2018
Canon Kabushiki Kaisha, Tokyo, JP;
Canon Kabushiki Kaisha, Tokyo, JP;
Abstract
Provided is an image forming apparatus, having: a power source; a first coupling member configured to be rotated by a driving force transferred from the power source; and a cartridge including a second coupling member configured to rotate in a state of being adsorbed to the first coupling member, and a rotating member connected with the second coupling member, wherein the first coupling member has a first driving force transfer surface which is perpendicular to a rotation axis of the first coupling member, the second coupling member has a second driving force transfer surface which is perpendicular to a rotation axis of the second coupling member, and the driving force is transferred from the first coupling member to the second coupling member in a state where an adsorption force is generated mutually between the first driving force transfer surface and the second driving force transfer surface.