Patent ID: 6276789
Filing Date: 2001-08-21
Classification: B41J

Abstract:
An ink tank comprising:a housing detachably mountable on a liquid jet recording apparatus, said housing being capable of retaining a liquid directly in the interior thereof;a supply portion for supplying the liquid retained in said housing to said recording apparatus; anda communication portion for communicating the interior of said housing with the air outside, whereinsaid supply portion and said communication portion are integrally formed, and a plate member is provided to make the interior of said housing a closed space by being joined to said housing,wherein erroneous installation prevention portions are disposed on said plate member to prevent the installation of the ink tank on a position other than a specifically designated position with respect to said liquid jet recording apparatus, andwherein a connection direction in which the supply portion and the communication portion are connected to the liquid jet recording apparatus is substantially perpendicular to an insertion direction of said ink tank into said liquid jet recording apparatus.