Patent ID: 6412931
Filing Date: 2002-07-02
Classification: B41J

Abstract:
An ink container comprising:an ink containing portion for storing ink for supply to a recording head portion, said ink containing portion containing therein an ink absorbing member of porous or fibrous material; an air vent for full fluid communication between said ink containing portion and ambience, wherein ink is supplied from said ink containing portion to the recording head portion by establishing a fluid communication state through said air vent between the ink absorbing material and the ambience; wherein said air vent comprises: a small chamber having a volume smaller than that of said ink containing portion, said small chamber for temporarily retaining ink and being in fluid communication with the ink absorbing material in said ink containing portion such that the ink moves therethrough; and a passage which is bent at least at a part thereof and which is elongated in shape as compared with said small chamber, said passage establishing fluid communication between an inner opening which is connected to said small chamber and which is smaller than said small chamber and an outer opening which is in fluid communication with the ambience.