Patent ID: 6039441
Filing Date: 2000-03-21
Classification: B41J

Abstract:
An ink jet recording unit comprising:a recording head with an ink ejecting means for ejecting ink, the recording head having a recording head ink passage;an ink tank, detachably attached to said recording head along a common axis, for supplying ink to said recording head, the ink tank having an ink tank ink passage, the ink tank ink passage and the recording head ink passage defining the common axis and having an ink tank ink passage direction and a recording head ink passage direction;an elastic jointing member, provided on said recording head, for jointing said recording head ink passage and said ink tank ink passage, said elastic jointing member including an umbrella-like portion having an opening formed at a top thereof and a space therein, wherein the space expands in the recording head ink passage direction of the common axis and the jointing portion forms a jointing ink passage connecting the ink tank ink passage and the recording head ink passage.