Patent ID: 6142602
Filing Date: 2000-11-07
Classification: B41J

Abstract:
An ink jet recording apparatus, comprising:an ink cartridge which comprises:an ink tank;an ink injection port mounted on said ink tank for injecting ink;a cover which is in intimate contact with said ink tank around said ink injection port and has an opening portion at a position corresponding to said ink injection port; anda protection cap held slidably between said cover and said ink tank for opening/closing said opening portion,wherein when said protection cap is closed, said ink injection port is provided with a substantially air-tight closure with respect to air external to said covers;a holder on which said ink cartridge is loaded;arms extending from said holder to an opening/closing direction of said protection cap of said ink cartridge to be loaded; andan engagement portion, fixed to said arms, which is engaged with and opens said protection cap of said ink cartridge loaded along said arms.