Patent ID: 6264314
Filing Date: 2001-07-24
Classification: B41J

Abstract:
An ink cartridge assembly for an ink jet recording apparatus, comprising:a cartridge containing a supply of ink and having a front plate, said front plate including at least one hole and an ink outlet piece; anda cartridge holder for mounting said cartridge, said cartridge holder having at least one guiding shaft and an ink feeding needle projecting from an inner end of said cartridge holder, said guiding shaft being positioned in said at least one hole of said cartridge and for guiding and properly locating said cartridge relative to said cartridge holder in both an upward/downward direction and a leftward/rightward direction, the longitudinal axis of said guiding shaft defining a thrust direction, said ink feeding needle piercing said ink outlet piece and projecting into an interior of said cartridge when said cartridge is mounted in said cartridge holder;wherein said ink feeding needle is disposed slightly behind said guiding shaft in said thrust direction so that said ink feeding needle is positioned in contact with said ink outlet piece when said cartridge is properly positioned in said cartridge holder by said hole and said guiding shaft.