Liquid discharge head and image forming apparatus
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United States of America Patent
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Sep 1, 2015
Grant Date -
Mar 13, 2014
app pub date -
Sep 9, 2013
filing date -
Sep 13, 2012
priority date (Note) -
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status (Latency Note)
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Abstract
A liquid discharge head includes nozzles configured to discharge liquid droplets; individual flow paths to which the nozzles are connected; a liquid injection unit connected to the individual flow paths; a common liquid room configured to supply liquid to the individual flow paths; and a filter unit configured to filter the liquid. The filter unit is provided between the common liquid room and the liquid injection unit. The filter unit includes a reinforcement area for dividing the filter unit into filter areas each corresponding to two or more of the individual flow paths. A partition wall is provided corresponding to the reinforcement area of the filter unit, on the liquid injection unit side. A width in a nozzle arrangement direction of the partition wall is wider than a width in the nozzle arrangement direction of the reinforcement area.
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