The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.

The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.

Date of Patent:
Jul. 03, 2007

Filed:

Sep. 29, 2006
Applicants:

Toyonori Sasaki, Anjo, JP;

Makoto Yamada, Gifu, JP;

Inventors:

Toyonori Sasaki, Anjo, JP;

Makoto Yamada, Gifu, JP;

Assignee:

Brother Kogyo Kabushiki Kaisha, Nagoya-shi, Aichi-ken, JP;

Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B41J 2/175 (2006.01); B41J 2/195 (2006.01);
U.S. Cl.
CPC ...
Abstract

An ink cartridge includes a movable member which includes a signal blocking portion disposed within an inner space of a translucent portion, and a float portion disposed within an ink chamber. The float portion is configured to move between a first position and a second position based at least on an amount of ink disposed within the ink chamber. Specifically, as the ink within the ink chamber is dispensed from the interior of the ink chamber to the exterior of the ink chamber a surface of the ink within the ink chamber moves in a first predetermined direction. Moreover, when the float portion moves from the first position to the second position each of the float portion and the signal blocking portion moves in a second predetermined direction which is slanted with respect to the first predetermined direction.


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