Patent ID: 6840609

Claim:
A structure of an ink cartridge, comprising: a main body having a first, a second and a third chambers for storing a first, a second and a third inks, respectively, wherein said first chamber is separated with said second and said third chambers via a first partitioning plate, said second chamber is separated with said third chamber via a second partitioning plate, said first partitioning plate is connected to said second partitioning plate, said first, said second and said third chambers have a first, a second and a third exit ports at bases thereof, and said first exit port is directly used as a first opening for flowing out said first ink; a first sealing element for defining a second opening and a first channel along with a bottom surface of said main body, said second opening being at a first side of said first opening for flowing out said second ink, and said first channel extending from said second exit port to said second opening; and a second sealing element for defining a third opening and a second channel along with said bottom surface of said main body, said third opening being at a second side of said first opening for flowing out said third ink, and said second channel extending from said third exit port to said third opening.