Title:
LIQUID DISCHARGE HEAD, LIQUID DISCHARGE UNIT, LIQUID DISCHARGE DEVICE AND LIQUID CIRCULATION SYSTEM
Document Type and Number:
Japanese Patent JP2023132781
Kind Code:
A
Abstract:
To provide a liquid discharge head that can easily eject a foreign matter in a flow path to the outside of the head.SOLUTION: A liquid discharge head is provided with: a plurality of nozzles for discharging liquid; a plurality of pressure chambers communicated with the plurality of nozzles respectively; a supply common liquid chamber that supplies the liquid to the pressure chambers; a recovery common liquid chamber that recovers the liquid from the pressure chambers; a supply port which supplies the liquid to the supply common liquid chamber; an exhaust port through which the liquid is exhausted from the recovery common liquid chamber; a first filter provided among the supply port and the pressure chambers; and a second filter provided among the exhaust port and the pressure chambers, where an opening size of the first filter is smaller than opening sizes of the nozzles and an opening size of the second filter is larger than the opening sizes of the nozzles.SELECTED DRAWING: Figure 2
Inventors:
WATANABE TASUKU
Application Number:
JP2022038308A
Publication Date:
September 22, 2023
Filing Date:
March 11, 2022
Export Citation:
Assignee:
RICOH CO LTD
International Classes:
B41J2/14; B41J2/18
Attorney, Agent or Firm:
Shuichi Kudo