公开(公告)号：US10558144B2

公开(公告)日：2020-02-11

申请号：US16165328

申请日：2018-10-19

Applicant: S-PRINTING SOLUTION CO., LTD.

Inventor： Ho-jin Jang ,  Jong-in Kim ,  Seong-woong Yang ,  Woong-yong Choi ,  Jin-hwa Hong

IPC: G03G15/08 ,  G03G21/16 ,  G03G15/00

Abstract: A developing cartridge includes a developing portion to supply toner, a toner storing portion to store the toner, a partition wall formed between the developing portion and the toner storing portion and having a toner supply section, and a storing-portion agitating member rotatably disposed in the toner storing portion to intermittently rotate to move the toner in the toner storing portion while the developing portion supplies the toner.

公开(公告)号：US10139750B2

公开(公告)日：2018-11-27

申请号：US15647890

申请日：2017-07-12

Applicant: S-PRINTING SOLUTION CO., LTD.

Inventor： Ho-jin Jang ,  Jong-in Kim ,  Seong-woong Yang ,  Woong-yong Choi ,  Jin-hwa Hong

IPC: G03G15/08 ,  G03G15/00

Abstract: A developing cartridge is disposed in an image forming apparatus. The developing cartridge includes a developing portion; a toner storing portion; a partition wall positioned between the developing portion and the toner storing portion and provided with a toner supply section; a first agitating member inside the developing portion; and a second agitating member inside the toner storing portion, wherein at least one of the first agitating member and the second agitating member comprises an elastic member to be in contact with the partition wall.

公开(公告)号：US20180046129A1

公开(公告)日：2018-02-15

申请号：US15441380

申请日：2017-02-24

Applicant: S-PRINTING SOLUTION CO., LTD.

Inventor： Yun-kyu SIM ,  Young-chae Kim ,  Gun-soo Chang ,  Ho-jin Jang

IPC: G03G15/08

CPC classification number: G03G21/1647 ,  G03G15/0806 ,  G03G21/1676 ,  G03G21/1825 ,  G03G21/1857 ,  G03G2221/1657

Abstract: Provided is a development cartridge capable of being detachably attached to a main body of an image forming apparatus, the development cartridge including a developing roller; a driving power receiving member configured to rotate in a first direction or a second direction by receiving a driving power from the main body; and a power delivery member configured to connect the driving power receiving member to the developing roller and to deliver only torque of the driving power receiving member in the first direction to the developing roller.