B - Operations – Transporting – 41 – J
Patent
B - Operations, Transporting
41
J
B41J 2/175 (2006.01)
Patent
CA 2430626
An ink cartridge for an ink jet printing apparatus having a printhead which ejects ink droplets onto a recording medium and an ink supply needle introducing ink to the printhead, the ink cartridge comprising: a substantially rectangular housing containing ink therein, the housing having a first outer wall and a second outer wall which is substantially perpendicular to the first outer wall; an ink supply port formed in the first wall for directing ink in the housing to the printhead; a valve mechanism arranged in the ink supply port comprising: a valve seat allowing the ink supply needle to pass therethrough; a valve body moveable along the axis of the ink supply port; and an elastic member biasing the value body against the valve seat, and a memory device for storing information relating to ink mounted on the second wall of the housing and substantially in parallel therewith, the memory device being formed in the vicinity of the ink supply port, which wall directing in parallel with a direction along which the ink supply needle is inserted into the valve seat.
Naka Takahiro
Seino Takeo
Shinada Satoshi
Toba Koichi
Usui Minoru
Riches Mckenzie & Herbert Llp
Seiko Epson Corporation
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