Invention Grant
- Patent Title: Liquid discharge head
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Application No.: US17184705Application Date: 2021-02-25
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Publication No.: US11433668B2Publication Date: 2022-09-06
- Inventor: Yasuo Kato
- Applicant: Brother Kogyo Kabushiki Kaisha
- Applicant Address: JP Aichi-Ken
- Assignee: Brother Kogyo Kabushiki Kaisha
- Current Assignee: Brother Kogyo Kabushiki Kaisha
- Current Assignee Address: JP Aichi-Ken
- Agency: Banner & Witcoff, Ltd.
- Priority: JPJP2018-054557 20180322
- Main IPC: B41J2/14
- IPC: B41J2/14 ; B41J2/18

Abstract:
There is provided a liquid discharge head including: a communication plate having a plurality of descenders in respective communication with a plurality of nozzles, a pressure chamber plate being stacked on the communication plate and having a plurality of pressure chambers, a piezoelectric element arranged in a position overlapping with the pressure chambers in a stacking direction, and a discharge common channel extending in an array direction and being in communication with the plurality of pressure chambers. The discharge common channel includes: a first discharge portion formed in the communication plate; and a second discharge portion formed in the pressure chamber plate and in communication with the first discharge portion, the second discharge portion reaching as high as to a surface of the pressure chambers at the side of the piezoelectric element along the stacking direction.
Public/Granted literature
- US20210178762A1 Liquid Discharge Head Public/Granted day:2021-06-17
Information query
IPC分类: