Incremental printing of symbolic information – Thermal marking apparatus or processes – Platen or engaging means therefor
Reexamination Certificate
2007-08-17
2009-02-17
Feggins, K. (Department: 2861)
Incremental printing of symbolic information
Thermal marking apparatus or processes
Platen or engaging means therefor
Reexamination Certificate
active
07492383
ABSTRACT:
There is provided a thermal printer (1) including: a main body frame (2); a thermal head (4) mounted to the main body frame (2); a platen roller (6) disposed to be opposed to a printing surface (4a) of the thermal head (4), for sandwiching a thermal paper (15) with the thermal head (4) to feed the thermal paper (15); a lock arm (5) swingably mounted to the main body frame (2), for locking the platen roller (6) with the main body frame (2) by pressing a shaft bearing (11) which rotatably supports the platen roller (6) against the thermal head (4); a swing arm (10) that supports the shaft bearing (11) of the platen roller (6), and swings between a lock position by the lock arm (5) and a release position apart from the lock arm (5); and a lever (16) movably provided to the swing arm (10), for releasing a locked state of the platen roller (6) by the lock arm (5) by an external force applied to a force point (18), in which a direction in which the force point (18) of the lever (16) moves when the locked state by the lock arm (5) is released is same as a swinging direction of the swing arm (10).
REFERENCES:
patent: 6078345 (2000-06-01), Yamakawa et al.
patent: 6249302 (2001-06-01), Sekiya
patent: 2003/0058327 (2003-03-01), Louis
patent: 2005/0232679 (2005-10-01), Na et al.
patent: 2006/0001730 (2006-01-01), Sawai
patent: 2003200624 (2003-07-01), None
Adams & Wilks
Feggins K.
Seiko Instruments Inc.
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