Patent ID: 8011765

Claim:
A liquid ejection device that ejects liquid droplets from a liquid ejection head, the liquid ejection device comprising: a liquid feeding member that feeds liquid to the liquid ejection head, the liquid feeding member being connected to a liquid ejection head to feed liquid to a common liquid chamber of the liquid ejection head, which liquid ejection head includes the common liquid chamber that supplies the liquid to plural individual liquid chambers communicating with plural nozzles that eject liquid droplets, the liquid feeding member comprising: a liquid circulation path through which the liquid circulates in a direction parallel to a direction in which the nozzles of the liquid ejection head are aligned; wherein a feed port through which the liquid is supplied to the liquid circulation path and a discharge port through which the liquid is discharged from the liquid circulation path are disposed at opposing longitudinal ends of the liquid circulation path; a communication opening communicating with the common liquid chamber being disposed at the side of the common liquid chamber in the liquid circulation path; and the communication opening having a smaller width than a width of the liquid circulation path.