Patent ID: 7748833

Claim:
An ink distribution structure for an inkjet printer, said distribution structure having a laminated stack for supplying ink to a plurality of printhead integrated circuits, the stack comprising: a first layer having an even plurality of discrete ink holes per printhead integrated circuit to define a group, each group arranged in a rectangular array with four aligned rows of ink holes parallel to a respective integrated circuit, an undersurface of the first layer having underside recesses each for discretely communicating with one of the ink holes of the two centre-most rows of four holes; a second layer having a pair of slots each for receiving ink from one of the underside recesses of the first layer, the second layer having ink holes which are aligned with the outer two groups of ink holes of the first layer; a third layer having an even plurality of discrete ink holes corresponding with each integrated circuit, the outermost of these holes aligned with outermost holes of the first and second layers; and a fourth layer having an array of integrated circuit slots each for receiving an upper portion of a respective integrated circuit.