Fitzpatrick, Cella, Harper & Scinto
Ink tank having a vent path opened and closed by a movable magnetic member
 This specification discloses an ink cartridge provided with a recording liquid containing portion containing recording liquid therein, a supply port for directing the recording liquid in the recording liquid containing portion therethrough to the outside, a vent path for communicating the recording liquid containing portion with the atmosphere, and an opening-closing member having a magnetic member for opening and closing the vent path. A liquid injection recording apparatus, includes a magnetic imparting member for imparting a magnetic force for operating the opening-closing member. The magnetic force is imparted to the opening-closing member through movement of a carriage to thereby effect opening-closing of the vent port. 
Canon Kabushiki Kaisha
B B
B41J B41J
inventional inventional
Toshihiro Yutaka Atsushi Minoru
Mori Koizumi Saito Nozawa