Patent ID: 9266329
Filing Date: 2016-02-23
CPC Classification: B41J

Claim Text:
1. A liquid ejection head comprising a housing to be removably loaded with a plurality of liquid storing containers so as to be arranged in a row and an ejection section for ejecting liquid, the liquid ejection head additionally comprising: a plurality of liquid storing container connecting sections arranged in the inside of the housing so as to correspond to the liquid storing containers and become connected to the respective liquid storing containers in order to supply liquid to the ejection section; an electrical wiring substrate rigidly secured to the outer surface of a wall of the housing opposite to a side of arrangement of the plurality of liquid storing container connecting sections so as to be electrically connected to electrode terminals; and a rib extending in a direction intersecting the direction of sequential placement of the plurality of liquid storing containers on the inner surface of the wall opposite to the outer surface, the plurality of liquid storing container connecting sections including one or more than one first liquid storing container connecting section, the first liquid storing container connecting section or each of the first liquid storing container connecting sections being formed so as to be connectable to a first liquid storing container but unconnectable to a second liquid storing container having a width greater than the width of the first liquid storing container as viewed in the direction of sequential placement, and a second liquid storing container connecting section formed so as to be unconnectable to the first liquid storing container but connectable to the second liquid storing container, and the rib being arranged at a position located adjacent to the second liquid storing container connecting section as viewed in the direction of sequential placement correspondingly in the region of the second liquid storing container to be connected to the second liquid storing container connecting section as viewed in the width direction of the second liquid storing container.