Patent ID: 6270207
Filing Date: 2001-08-07
Classification: B41J

Abstract:
An ink cartridge removably attached to a recording head for holding ink supplied to the recording head, comprising:a cartridge case having a first side wall and second side wall opposed to the first side wall;a first partitioning wall positioned substantially parallel to the first side wall of the case so as to separate the interior of the cartridge case into a first chamber and a second chamber for respectively accommodating ink; anda second partitioning wall positioned substantially parallel to the first side wall of the case for separating the interior of the case into the first chamber and an atmosphere connection path for communicating with an atmosphere outside the case; wherein:one end of the second chamber communicates with one end of the first chamber;the other end of the second chamber is open to the outside of the case as an ink filling hole;one end of the atmosphere connection path communicates with the other end of the first chamber; andthe other end of the atmosphere connection path is open to the outside of the case.