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:
Apr. 07, 2026
Filed:
May. 12, 2024
Zhuhai Ninestar Information Technology Co., Ltd, Zhuhai, CN;
Xinyu Wu, Zhuhai, CN;
Yuan Liu, Zhuhai, CN;
Qin Luo, Zhuhai, CN;
Hao Yang, Zhuhai, CN;
Chen Cheng, Zhuhai, CN;
Wenjie Zhao, Zhuhai, CN;
Junyu Tao, Zhuhai, CN;
Yu Chen, Zhuhai, CN;
Baosheng Zhong, Zhuhai, CN;
Mingdong Chen, Zhuhai, CN;
Yinghao Li, Zhuhai, CN;
Likun Zeng, Zhuhai, CN;
Yongdi Chen, Zhuhai, CN;
Luofa Su, Zhuhai, CN;
Haoli Huang, Zhuhai, CN;
Zhuhai Ninestar Information Technology Co., Ltd, Zhuhai, CN;
Abstract
A developing cartridge includes a casing configured to accommodate developer and having a first side and a second side oppositely arranged in a first direction, and a third side and a fourth side oppositely arranged in the second direction, the first direction and the second direction being intersected with each other. The developing cartridge further includes a developing roller, positioned at the third side, for rotating around a first axis extending in the first direction; a coupling, positioned at the first side, for receiving driving-force output from an image forming device to rotate; a driving surface, inclined to the first direction, including a first driving surface and a second driving surface; a detected part, at least partially positioned at the second side, for moving according to rotation of the coupling.