Patent ID: 7934819

Claim:
An inkjet recording head cartridge, comprising: a container body configured to accommodate plural colors of inks and having a projecting part that is provided on a part of a bottom surface thereof and that is biased toward a side surface; and a recording head unit having a plurality of ink supply ports configured parallel to one another for supplying the plural colors of inks, a plurality of discharge port arrays provided along the plurality of ink supply ports for discharging the plural colors of inks, and electrothermal conversion elements provided in correspondence with discharge ports forming the plurality of discharge port arrays for generating energy to discharge ink, the recording head unit being mounted at the projecting part of the container body in an arranging direction of the plurality of ink supply ports being along the side surface, wherein the container body comprises, a first partitioning wall configured to partition an inside of the container body to intersect with the plurality of ink supply ports when viewed from a direction perpendicular to a surface of the recording head unit in which the plurality of discharge port arrays are provided, to form a first ink accommodating unit which has the side surface, and to form a space which does not have the side surface; a plurality of second partitioning walls configured to be in contact with the first partitioning wall and to divide the space, which does not have the side surface, into a plurality of second ink accommodating units; and a plurality of ink flow paths, the plurality of ink flow paths communicating with the first ink accommodating unit and the second ink accommodating units, and the plurality of ink supply ports corresponding to the first ink accommodating unit and the second ink accommodating units, wherein a plurality of ink-accommodating-unit-side openings of the plurality of ink flow paths are provided in the vicinity of the first partitioning wall.