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:
Oct. 21, 2025
Filed:
Jan. 17, 2025
Zhuhai Ninestar Information Technology Co., Ltd, Zhuhai, CN;
Hao Yang, Zhuhai, CN;
Qin Luo, Zhuhai, CN;
Hailong Ma, Zhuhai, CN;
Xianwen Wang, Zhuhai, CN;
Wenjie Zhao, Zhuhai, CN;
Xin Lv, Zhuhai, CN;
Tiansheng Peng, Zhuhai, CN;
Hao Deng, Zhuhai, CN;
Xiaoming Liang, Zhuhai, CN;
Wenjun Yu, Zhuhai, CN;
Junyu Tao, Zhuhai, CN;
Xiaolong Yang, Zhuhai, CN;
Chen Cheng, Zhuhai, CN;
Yongdi Chen, Zhuhai, CN;
Zhuhai Ninestar Information Technology Co. , Ltd, Zhuhai, CN;
Abstract
A developing cartridge includes a casing, configured to accommodate developer therein, the casing having a first side and a second side arranged oppositely in a first direction, and a third side and a fourth side arranged oppositely in a second direction, the first direction and the second direction intersecting; a developing roller rotatable about a first axis extending in the first direction and positioned at the third side; a coupling rotatable about a second axis extending in the first direction and positioned at the first side; a storage medium including an electrical contact surface, the electrical contact surface being positioned at the first side; a separation member protruding in the first direction, the separation member receiving a separation force to cause the casing to move, and the separation member being positioned at the first side; and a first abutting member being positioned at the second side.