Ink tank cartridge and ink-jet apparatus installed the ink...

Details Ink tank cartridge and ink-jet apparatus installed the ink... Ink tank cartridge and ink-jet apparatus installed the ink...

B - Operations, Transporting

41

J

B41J 2/175 (2006.01) B41J 2/21 (2006.01)

Patent

CA 2130301

An ink-tank cartridge has a first storage chamber housing a negative pressure generating member and an atmosphere communicating portion communicating with the atmosphere, a second storage chamber in a substantially enclosed condition and communicating with the first storage chamber only through a fine communicating portion located remote from said atmosphere communicating portion, and directly storing an ink to be supplied to the first storage chamber, the second storage chamber being arranged adjacent the first storage chamber; and an enclosed ink storage portion only communicating with the second storage chamber and located at respective side surfaces of the first and second storage chambers. The bottom surface of the enclosed ink storage portion is located at a higher position than the bottom surface of the first and second storage chambers.

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