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. 12, 2025
Filed:
Jun. 06, 2024
Zhuhai Ninestar Information Technology Co. , Ltd., Zhuhai, CN;
Geming Ding, Zhuhai, CN;
Tiansheng Peng, Zhuhai, CN;
Hao Yang, Zhuhai, CN;
Shuchun Dai, Zhuhai, CN;
Likun Zeng, Zhuhai, CN;
Zhuhai Ninestar Information Technology Co., Ltd., Zhuhai, CN;
Abstract
A developing cartridge includes: a cartridge containing a developer and including a first side wall and a second side wall positioned opposite to each other along a first direction; a power reception member configured to receive a driving power and positioned at the first side wall; a developing roller rotatable about a first axis extending in the first direction; and an activation member including a movable member and a detection protrusion positioned at the second side wall. The movable member rotates around a second axis in a second direction, the first direction and the second direction intersect with each other, and the detection protrusion moves as the movable member moves.