Invention Grant
- Patent Title: Toner refill cartridge with pulverization member activated by elastic force
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Application No.: US17272745Application Date: 2019-12-11
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Publication No.: US11294303B2Publication Date: 2022-04-05
- Inventor: Sungchul Ahn , Seongho Jeong , Yongil Moon
- Applicant: HEWLETT-PACKARD DEVELOPMENT COMPANY, L.P.
- Applicant Address: US TX Spring
- Assignee: HEWLETT-PACKARD DEVELOPMENT COMPANY, L.P.
- Current Assignee: HEWLETT-PACKARD DEVELOPMENT COMPANY, L.P.
- Current Assignee Address: US TX Spring
- Agency: Trop Pruner & Hu, P.C.
- Priority: KR10-2019-0073596 20190620
- International Application: PCT/US2019/065700 WO 20191211
- International Announcement: WO2020/256772 WO 20201224
- Main IPC: G03G15/08
- IPC: G03G15/08 ; G03G21/00 ; G03G21/16

Abstract:
An example toner refill cartridge includes a body to contain toner, a toner discharge unit, located at a first end portion of the body in a longitudinal direction, to discharge the toner, a plunger, inserted into the body and movable between a top dead position adjacent to a second end portion of the body and a bottom dead position adjacent to the first end portion, to push the toner toward the toner discharge unit, a locking member, removably coupled with the plunger, to lock the plunger at the top dead position, a pulverization member, including a wing portion extending in a radial direction, coupled with the plunger and movable between a first portion adjacent to the first end portion and a second position adjacent to the second end portion, and an elastic member to apply an elastic force to the pulverization member.
Public/Granted literature
- US20210318641A1 TONER REFILL CARTRIDGE WITH PULVERIZATION MEMBER ACTIVATED BY ELASTIC FORCE Public/Granted day:2021-10-14
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