Patent ID: 6629758
Filing Date: 2003-10-07
Classification: B41J

Abstract:
A joint device for connecting and separating an ink tank capable of taking in an ink through an ink intake port to and from an ink channel to take the ink from a refilling tank into the ink tank, said joint device comprising:a supply pipe having an ink supply port disposed therein; closing means composed of an elastic member, for opening and closing the ink supply port, said closing means comprising a sucker-shaped portion provided on a tip end side of said supply pipe so as to cover the ink intake port when connected with the ink tank; deformation means for deforming said sucker-shaped portion; and urging means for urging said deformation means; wherein said deformation means is moved by said urging means to connect said sucker-shaped portion with the ink tank and said sucker-shaped portion is deformed to close the ink intake port.