公开(公告)号：US12135521B2

公开(公告)日：2024-11-05

申请号：US18014739

申请日：2020-11-05

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

Inventor： Jeonghyun Lee ,  Jongin Kim ,  Janghyun Son

IPC: G03G15/08 ,  G03G21/16

Abstract: A toner cartridge includes a housing having a first combining portion and a front cover attached to a front end of the housing in a longitudinal direction, wherein the front cover includes a first locking portion to which the first combining portion is to be attached and a notch portion provided in the first locking portion so that the first locking portion is breakable by an external force in a direction in which the front cover is spaced apart from the housing in the longitudinal direction.

公开(公告)号：US11774877B2

公开(公告)日：2023-10-03

申请号：US17792779

申请日：2020-11-20

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

Inventor： Jonghyun Park ,  Seil Kwon ,  Jeonghyun Lee

IPC: G03G15/10 ,  G03G15/08

CPC classification number: G03G15/0856

Abstract: A developer cartridge includes a housing to accommodate a developer and including a developer outlet, and a sensing portion that forms a sensing area to detect whether or not the developer inside the housing is miming out. The sensing portion is recessed into a portion of a lower wall of the housing accordingly having a thickness less than a thickness of a remaining portion of the lower wall.