| 摘要 |
THERE IS DISCLOSED AN INK CARTRIDGE COMPRISING: AN INK STORAGE CHAMBER (56, 61, 62), AN INK SUPPLY PORT (5), AND A NEGATIVE PRESSURE GENERATING MECHANISM (30) WHICH SELECTIVELY BLOCKS AND OPENS FLUID COMMUNICATION BETWEEN THE INK STORAGE CHAMBER (56, 61, 62) AND THE INK SUPPLY PORT (5) AS A CONSEQUENCE OF CONSUMPTION OF INK. THE NEGATIVE PRESSURE GENERATING MECHANISM (30) INCLUDES AN ELASTIC MEMBER (20, 84) HAVING FIRST AND SECOND SURFACES AND A SEALING PORTION HAVING A THROUGHHOLE (200).THE NEGATIVE PRESSURE GENERATING MECHANISM (30) FURTHER INCLUDES: A COMMUNICATING PORTION FACING THE FIRST SURFACE OF THE ELASTIC MEMBER (20, 84) AND COMMUNICATING WITH THE INK STORAGE CHAMBER (56, 61, 62), AND A SPACE PORTION (23A, 109) FACING THE SECOND SURFACE OF THE ELASTIC MEMBER (20, 84) AND COMMUNICATING WITH THE INK SUPPLY PORT (5), CHARACTERISED BY THE NEGATIVE PRESSURE GENERATING MECHANISM INCLUDING AN INK FLOW PATH COMMUNICATING WITH THE INK SUPPLY PORT (5), AND HAVING AN OPENING (10, 82), WHEREIN THE SEALING PORTION OF THE ELASTIC MEMBER (20, 84) IS ARRANGED FOR MOVEMENT INTO CONTACT WITH AND SEPARATION FROM SAID OPENING (10, 82) WHICH FACES THE THROUGH-HOLE (200).(FIG 4A,4B,4C)
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