公开(公告)号：US20240393715A1

公开(公告)日：2024-11-28

申请号：US18691298

申请日：2022-09-09

Applicant: Huawei Technologies Co., Ltd.

Inventor： Guobao Zeng ,  Haiyu Cheng ,  Shouchu Yuan ,  Wei Jiang ,  Hailiang Liu

IPC: G03G15/08 ,  G03G15/00

Abstract: A toner cartridge is disclosed. A hole and a window are disposed on two sides of a cartridge body separately. A toner hopper is disposed in the cartridge body, and is configured to accommodate toner, and a supply opening exposed in the window is disposed at a position that is on the toner hopper and that faces the window. The first agitator is disposed in the toner hopper, and is configured to transport the toner in the toner hopper to the supply opening. A first hopper door is slidably disposed on a side that is of the toner hopper and that faces the window, a slot is disposed on the first hopper door, and the first hopper door may open or close the supply opening when sliding. The first clamping hook is disposed on the second side of the cartridge body.

公开(公告)号：US12228976B2

公开(公告)日：2025-02-18

申请号：US18259486

申请日：2021-12-15

Applicant: HUAWEI TECHNOLOGIES CO., LTD.

Inventor： Haiyu Cheng ,  Jianqiang Xu ,  Fan Wang ,  Yuyin Wang ,  Jianwei Zeng

IPC: G06F1/16

Abstract: This application provides a keyboard apparatus. The keyboard module is stacked on the base and is in sliding fit with the base. The first plate is rotatably connected to one end of the base, where a first rotating part is formed between the first plate and the base. The second plate is rotatably connected to one end of the first plate that is away from the base. A second rotating part is formed between the second plate and the first plate. The third plate is rotatably connected to one end of the keyboard module that is close to the first plate, and is fastened to the second plate. The third plate is configured to carry a tablet device, where a third rotating part is formed between the third plate and the keyboard module. At least one of the rotating parts of the keyboard apparatus is provided with a damping structure.