Patent ID: 6082852
Filing Date: 2000-07-04
Classification: B41J

Abstract:
A recording apparatus comprising:a print head for printing characters on a printing medium by ejecting ink droplets thereto, andan ink tank for holding ink therein to be supplied to said print head, wherein said ink tank includes:an ink chamber having an air through-hole and an ink supplying port, said ink chamber being communicatively connected to outside air through said air through-hole and supplying ink to said print head through said ink supplying port;an ink holding member contained in said ink chamber; anda first meniscus forming member with minute perforations formed therein, located within said ink supplying port so as to communicate with said ink holding member;said print head includes:an ink introducing port for introducing ink from said ink tank into said print head; anda second meniscus forming member located in said ink introducing port;and whereinwhen said ink tank is attached to said print head, said ink introducing port is coupled with said ink supplying port, and an ink passing member that contacts said second meniscus forming member is provided in a portion where said ink introducing port is coupled with said ink supplying port such that the first meniscus forming member is spaced from the second meniscus forming member, the ink passing member being subject to only minor changes in volume upon contact with ink;wherein the ink passing member has first and second ends, said first end being in contact with said first meniscus forming member and said second end being in contact with said second meniscus forming member.