Is a
Patent attributes
Patent Jurisdiction
Patent Number
Patent Inventor Names
Ken Takenaga
Daiju Takeda
Shota Asada
Kousuke Tanaka
Yusuke Tanaka
Yuta Araki
Taiji Maruyama
Koki Shimada
...
Date of Patent
September 26, 2023
Patent Application Number
17357665
Date Filed
June 24, 2021
Patent Citations
Patent Primary Examiner
Patent abstract
A print head includes a nozzle array comprising a plurality of nozzles, and a negative pressure generating portion configured to apply a negative pressure to the nozzle array. A tank includes a storage portion and an air communication port. A tube connects the print head and the tank and supply the liquid from the tank to the print head. A highest position of a liquid level in the tank in the vertical direction is higher than a position of the nozzle array, and an absolute value of a water head difference caused by a difference between the highest position of the liquid level in the tank and the position of the nozzle array is not larger than an absolute value of a negative pressure generated by the negative pressure generating portion.
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