Patent ID: 7219986
Filing Date: 2007-05-22
Classification: B41J

Abstract:
1. An ink cartridge for ink-jet printer, comprising: an ink storage chamber formed by an ink cartridge body and an ink cartridge cover, on which an ink-filling port and an ink-supply port are provided; an air vent at one end of which an one-way valve is mounted; and an ink supply adjusting valve located inside the ink storage chamber, characterized in that the ink supply adjusting valve includes an ink inlet, which communicates in ink fluid communication with the ink storage chamber; an ink outlet, which is connected with the ink-supply port of the ink storage chamber; and the ink supply adjusting valve, which is constructed of films and a valve body thereof and in which at least two small ink chambers are partitioned, and both of the small ink chambers are communicated by means of one or more small ink channels.