公开(公告)号：US20210286291A1

公开(公告)日：2021-09-16

申请号：US17263628

申请日：2019-07-25

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

Inventor： Jinsam Park ,  Jin-Hong Kim ,  Seongwoong Yang

IPC: G03G15/08

Abstract: A toner cartridge includes a body accommodating toner, a front cover located in front of the body and provided with a first opening forming a grip portion for pulling the toner cartridge forward, an opening/closing member which is located inside the front cover and is switched to a first position closing the first opening and a second position opening the first opening, and an elastic member configured to apply an elastic force to the opening/closing member in a direction to be located at the second position

公开(公告)号：US20240027937A1

公开(公告)日：2024-01-25

申请号：US18110797

申请日：2023-02-16

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

Inventor： Jin-Hong Kim ,  SUNGJIN KIM ,  Seongwoong Yang ,  Youngkwang Shin ,  Seung-Chan Park

IPC: G03G15/08

CPC classification number: G03G15/0886 ,  G03G2215/0692

Abstract: An example development cartridge includes a shutter switchable between a closing position and an opening position to open and close a toner inlet through which a toner may be received, and a locking member switchable between a locking position to lock the shutter at the closing position and an unlocking position to allow the shutter to be opened.

公开(公告)号：US11199791B2

公开(公告)日：2021-12-14

申请号：US17263628

申请日：2019-07-25

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

Inventor： Jinsam Park ,  Jin-Hong Kim ,  Seongwoong Yang

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

Abstract: A toner cartridge includes a body accommodating toner, a front cover located in front of the body and provided with a first opening forming a grip portion for pulling the toner cartridge forward, an opening/closing member which is located inside the front cover and is switched to a first position closing the first opening and a second position opening the first opening, and an elastic member configured to apply an elastic force to the opening/closing member in a direction to be located at the second position.