Patent ID: 7168800
Filing Date: 2007-01-30
Classification: B41J

Abstract:
1. An ink cartridge for reserving an ink in an inner space defined therein, comprising: an ink supplying portion provided to face a lower portion of said inner space so as to allow supply of the ink from said inner space therethrough; an air introducing portion provided to face said lower portion of said inner space so as to allow introduction of an air into said inner space therethrough; a partition which projects upwardly from a bottom of the ink cartridge so as to have a predetermined height, and which divides said lower portion of said inner space into a first region and a second region; at least one electrode receiver for receiving a first electrode and a second electrode, such that said first electrode faces said first region while said second electrode faces said second region; and a bubble-path-formation restrainer restraining an electrical path allowing an electrical continuity between said first electrode and said second electrode, from being formed of a bubble which is generated as a result of the introduction of the air into said inner space, wherein said bubble-path-formation restrainer includes a bubble breaker which breaks the bubble.