公开(公告)号：US11467517B2

公开(公告)日：2022-10-11

申请号：US17309516

申请日：2020-03-04

Applicant: HEWLETT-PACKARD DEVELOPMENT COMPANY, L.P.

Inventor： Woongyong Choi ,  Yunkyu Shim ,  Seunggweon Lee

IPC: G03G15/08 ,  G03G21/16

Abstract: An example toner refill cartridge includes a body to accommodate toner and having a toner discharge hole, a shutter being rotatable between a first position at which the toner discharge hole is closed and a second position at which the toner discharge hole is opened, a coupler to rotate by receiving an external rotational force, an agitation member to rotate and agitate the toner by receiving a rotational force from the coupler, and a connection member to selectively transmit a rotational force of the coupler to the shutter.

公开(公告)号：US12111604B2

公开(公告)日：2024-10-08

申请号：US18031223

申请日：2021-04-12

Applicant: Hewlett-Packard Development Company, L.P.

Inventor： Younghoon Kim ,  Wontaek Kim ,  Hohyun Hwang ,  Hwanghee Ryu ,  Saehoon Han ,  Seongho Park ,  Seunggweon Lee ,  Woongyong Choi ,  Sungjin Kim ,  Junhui Kim

IPC: G03G15/08 ,  G03G21/16 ,  G03G21/18

CPC classification number: G03G21/1647 ,  G03G21/1676 ,  G03G21/1842

Abstract: An example image forming apparatus includes a main body including an opening and an accommodation portion, a development cartridge detachable from the main body, a tray on which to mount the development cartridge, the tray being movable between a mounting position inserted into the main body through the opening, a withdrawal position extracted from the main body, and an accommodation position at which the development cartridge is accommodated in the accommodation portion, and an elastic support member to elastically support the development cartridge with respect to the tray while the tray moves between the mounting position, the withdrawal position, and the accommodation position.

公开(公告)号：US20220057729A1

公开(公告)日：2022-02-24

申请号：US17309516

申请日：2020-03-04

Applicant: HEWLETT-PACKARD DEVELOPMENT COMPANY, L.P.

Inventor： Woongyong Choi ,  Yunkyu Shim ,  Seunggweon Lee

IPC: G03G15/08 ,  G03G21/16

Abstract: An example toner refill cartridge includes a body to accommodate toner and having a toner discharge hole, a shutter being rotatable between a first position at which the toner discharge hole is closed and a second position at which the toner discharge hole is opened, a coupler to rotate by receiving an external rotational force, an agitation member to rotate and agitate the toner by receiving a rotational force from the coupler, and a connection member to selectively transmit a rotational force of the coupler to the shutter.