Patent ID: 6834945
Filing Date: 2004-12-28
Classification: B41J

Abstract:
An ink cartridge for use with a recording apparatus, which comprises an ink pack formed from flexible material and sealingly storing ink therein, and a cartridge case housing the ink pack and formed hermetically, and which is so constructed that pressurized air is introduced into the case in a mounted state to the recording apparatus, whereinon one surface of the cartridge case, there are provided positioning means used when the cartridge is mounted to the recording apparatus, an ink outlet port from the ink pack, an inlet port for the pressurized air, and a connection terminal of a circuit board having data storage means; the positioning means being constructed by an opening hole formed so as to surround a positioning pin arranged in the recording apparatus; the opening hole constituting the positioning means arranged at each of two locations along a longitudinal direction on the one surface of the case; and the connection terminal of the circuit board and the inlet port for the pressurized air being respectively arranged outside the opening holes arranged at the two locations.