B - Operations – Transporting – 41 – J
Patent
B - Operations, Transporting
41
J
B41J 2/175 (2006.01) B41J 2/01 (2006.01)
Patent
CA 2637789
In an ink cartridge, a negative pressure generating mechanism is disposed between an ink storage region and an ink supply port, and has a wall surface having two through-holes for ink flow, and a valve member contacted with and separated from the through-hole by receiving a pressure in an ink supply port side. Ink flowing via the through-hole is supplied via the through-hole to the ink supply port.
Kobayashi Atsushi
Miyazawa Hisashi
Shinada Satoshi
Riches Mckenzie & Herbert Llp
Seiko Epson Corporation
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