Ink cartridges

Details Ink cartridges Ink cartridges

2007-06-05

2007-06-05

Meier, Stephen (Department: 2853)

Incremental printing of symbolic information

Ink jet

Fluid or fluid source handling means

C347S007000

Reexamination Certificate

active

11672852

ABSTRACT:
An ink cartridge includes a movable member including a sliding member including a signal blocking end and a non-signal blocking end opposite the signal blocking end. The signal blocking end is configured to move in a first direction from a first position within an inner space of a translucent portion to a second position based on the amount of ink within an ink chamber. The movable member also includes a float portion operationally coupled to the sliding member. The float portion is disposed within the ink chamber and is configured to move in a second direction from a third position to a fourth position based on the amount of ink within the ink chamber. Moreover, a first distance between the float portion and the signal blocking end when the float portion is in the third position is greater than a second distance between the float portion and the signal blocking end when the float portion is in the fourth position.

REFERENCES:
patent: 5947372 (1999-09-01), Tiernan
patent: 6899418 (2005-05-01), Sasaki et al.
patent: 2005/0068389 (2005-03-01), Katayama et al.
patent: 2 245 973 (1992-01-01), None
patent: 8281966 (1999-10-01), None

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