Thermal printer unit and printing device

Details Thermal printer unit and printing device Thermal printer unit and printing device

2008-10-02

2010-12-14

Tran, Huan H (Department: 2861)

Incremental printing of symbolic information

Thermal marking apparatus or processes

Recording means engaging or holding means

Reexamination Certificate

active

07852360

ABSTRACT:
In order to realize an adjustment mechanism which can adjust the pressing force of a thermal head according to paper thickness, and in addition, which is suitable for a small thermal printer, in a small thermal printer in which a platen roller (11) is adapted to be detachably attachable to arms for rotatably holding the platen roller and room at the back of a thermal head where a spring (16) for pressing the thermal head (14) toward the platen roller is disposed is narrow, an auxiliary plate for receiving the spring is provided at the back of the thermal head, the auxiliary plate (13) is adapted to be approachable to or separable from a head support plate (15), and means (18, 41) which can adjust a position of the auxiliary plate with respect to a position of the head support plate (15) is provided.

REFERENCES:
patent: 6249302 (2001-06-01), Sekiya
patent: 2002/0080223 (2002-06-01), Connor
patent: 2006/0082636 (2006-04-01), Maruyama
patent: 2007/0212142 (2007-09-01), Zevin et al.
patent: 19527610 (1997-01-01), None
patent: 1498276 (2005-01-01), None
patent: 2005001667 (2005-06-01), None

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