Thermal printer device with linearly displaceable thermal head
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United States of America Patent
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May 28, 2013
Grant Date -
Jun 18, 2009
app pub date -
Dec 12, 2008
filing date -
Dec 13, 2007
priority date (Note) -
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Abstract
A printer device having a detachable thermal head, the thermal head being precisely positioned relative to a platen, whereby the printer device is capable of printing characters or the like, of a stable quality, on printing paper having different thickness'. A head module of the printer an attachment member detachably attached to a main frame; a movable support member movable relative to the attachment member; and a thermal head fixedly supported by the movable support member. The movable support member is connected to the attachment member via a plurality of head springs, and has a head positioning protruding portion configured to engage with a head positioning recess portion of the attachment member. The recess portion is formed as a groove which is generally straight, whereby the movable support member and the thermal head 44 may be straightly displaced relative to the attachment member only in the extending direction of the groove.
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