Ink cartridge for ink jet recording apparatus, connection...

Details Ink cartridge for ink jet recording apparatus, connection... Ink cartridge for ink jet recording apparatus, connection...

2007-03-13

2007-03-13

Vo, Anh T. N. (Department: 2861)

Incremental printing of symbolic information

Ink jet

Fluid or fluid source handling means

Reexamination Certificate

active

10372252

ABSTRACT:
An ink cartridge (1) for supplying the ink in an ink reserving chamber (3) via an ink supply port (4) into a recording head (21) has a differential pressure valve mechanism (5) disposed between an ink flow port (7) and the ink supply port (4) in the ink reserving chamber (3), whereby the ink is supplied an adequate amount to the recording head (21) by opening or closing the differential pressure valve mechanism (5) in accordance with an ink pressure of the recording head (21). As a result, it is possible to supply the ink at a substantially constant pressure to the recording head without regard to the variation in the amount of ink or the movement of the carriage.

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