公开(公告)号：US10101687B2

公开(公告)日：2018-10-16

申请号：US15325883

申请日：2015-07-14

Applicant: S-Printing Solution Co., Ltd.

Inventor： Mitsuru Oikawa ,  Jin-hong Kim ,  Dae-ho Kim ,  Jun-hee Lee

IPC: G03G15/08 ,  G03G15/095

Abstract: A developing apparatus for an image forming apparatus comprises: a developing roller; a developing housing which rotatably supports the developing roller and receives a two-component developer; a first mixing member installed in the developing housing to mix the developer; and a second mixing member installed in the developing housing to be parallel to the first mixing member and adjacent to the developing roller, wherein the second mixing member comprises: a shaft; a spiral wing part formed along the shaft; and a plurality of ribs formed so as to protrude from the surface of the shaft.

公开(公告)号：US10073378B2

公开(公告)日：2018-09-11

申请号：US15693780

申请日：2017-09-01

Applicant: S-Printing Solution Co., Ltd.

Inventor： Jin-hong Kim ,  Jae-rae Lee ,  Ho-young Lee

IPC: G03G15/08

CPC classification number: G03G15/0874 ,  G03G15/087 ,  G03G15/0881 ,  G03G15/0891

Abstract: A developer cartridge includes: a housing including a developer outlet; a conveying member configured to convey a developer to the developer outlet and including a spiral member rotatably installed in the housing; and a developer bag configured to accommodate the developer, be installed in the housing, and rotate in connection with the conveying member, the developer bag including an opening for discharging the developer into the housing.