Ink remain detector having a flexible member and a liquid inject

Details Ink remain detector having a flexible member and a liquid inject Ink remain detector having a flexible member and a liquid inject

1989-10-19

1990-12-11

Hartary, Joseph W.

Recorders

Markers and/or driving means therefor

With ink supply to marker

73301, 200 83N, 340618, B41J 217

Patent

active

049774131

ABSTRACT:
A liquid injection recording apparatus having a recording head for injecting ink toward a recording medium to thereby effect recording, an ink tank storing therein ink to be supplied to the recording head, and an ink remain detector provided within a supply path communicating the recording head with the ink tank are presented. The ink remain detector has an ink chamber having at least one wall surface thereof formed of a flexible film member, and at least two detector means responsive to the displacement of the film member.

REFERENCES:
patent: 3911393 (1975-10-01), Biggs
patent: 4014213 (1977-03-01), Parquet
patent: 4342042 (1982-07-01), Cruz-Uribe
patent: 4432005 (1984-02-01), Duffield
patent: 4604633 (1986-08-01), Kimura

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