Ink tank, recording head cartridge and ink jet recording apparatus

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United States of America Patent

PATENT NO 6419350
SERIAL NO

09645316

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Abstract

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An ink tank having an absorbing member for holding therein ink to be supplied to a recording head for discharging ink to thereby effect recording, a tank container containing the absorbing member therein, a buffer portion capable of temporarily containing the ink therein, and an atmosphere communicating port disposed in the buffer portion and communicating the interior of the ink containing portion with the atmosphere, the buffer portion is disposed on a side portion of the absorbing member, and the direction from the absorbing member toward the buffer portion is a direction intersecting with the scanning direction of a carriage.

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Patent Owner(s)

  • CANON KABUSHIKI KAISHA

International Classification(s)

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Abe, Tsutomu Isehara, JP 178 3340
Kotaki, Yasuo Yokohama, JP 208 4724
Ogawa, Masashi Kawasaki, JP 137 1387

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