Patent ID: 6893120

Claim:
A multi-compartmentalized ink cartridge body for an ink jet printer comprising: a molded unitary body structure having exterior side walls and a bottom wall forming an open-topped, interior cavity, and a printhead surface area on a portion of the bottom wall opposite the interior cavity; a divider wall integrally molded with the molded body structure and disposed in the interior cavity between the side walls to provide at least three segregated ink chambers within the interior cavity of the body, each of the ink chambers having a chamber axis, wherein the divider wall includes a first wall section and a second wall section attached substantially perpendicular to the first wall section and each wall section is substantially parallel with at least one chamber axis; and at least first, second, and third molded ink flow paths disposed between the ink chambers and the printhead surface area, wherein each flow path of the first, second and third flow paths connects one each of the at least three segregated ink chambers with the printhead surface area, the ink flow paths each having an ink flow axis with respect thereto, wherein the cartridge body is devoid of a separately attached member to close mold insert tool insertion areas on one or more of the exterior side walls of the body.