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:
Aug. 04, 2026
Filed:
May. 24, 2023
Canon Kabushiki Kaisha, Tokyo, JP;
Takahito Ueno, Mishima, JP;
Shigeo Miyabe, Numazu, JP;
Masanari Morioka, Numazu, JP;
Masato Hisano, Susono, JP;
Canon Kabushiki Kaisha, Tokyo, JP;
Abstract
A cartridge includes a photosensitive drum rotatable about an axis thereof and a drum flange provided at one end portion of the photosensitive drum. The cartridge also includes a coupling member operatively connected to the drum flange, with the coupling member being configured to transmit a driving force to the drum flange. The coupling member includes at least one projection for receiving the driving force, with the at least one projection being movable with the coupling member in the direction of the axis of the photosensitive drum. A spring is provided to urge the coupling member along the axis of the photosensitive drum. At least a part of the spring and at least a part of the coupling member are positioned within a hollow interior portion of the drum flange.