Tape printer

Details Tape printer Tape printer

2007-06-26

2007-06-26

Nguyen, Lamson (Department: 2861)

Typewriting machines

Typing by other than type-face or type-die

Thermal

C347S197000, C347S220000, C347S222000

Reexamination Certificate

active

11354096

ABSTRACT:
It is intended to provide a tape printer which enables to forcibly separate a platen roller and a print head along with an opening operation of a cover element in case the platen roller and the print head have adhered to each other because of a long-period storage of the tape printer with the platen roller and the print head being in contact. Accordingly, a first gear formed in the platen roller and a rack member in which gear teeth engageable with the first gear are provided, so that a contact between the platen roller and a thermal head can be forcibly released by an engagement with a first gear and the gear teeth when the cover element is opened, and a roller holder is returned to a withdrawing position with a roller holder return spring for pressing the roller holder toward the withdrawing position.

REFERENCES:
patent: 2851945 (1958-09-01), Williamson
patent: 3018725 (1962-01-01), Maul et al.
patent: RE32281 (1986-11-01), Tsubo
patent: 5008715 (1991-04-01), Imaizumi et al.
patent: 5219234 (1993-06-01), Sakai
patent: 5839840 (1998-11-01), Kawano
patent: 5913623 (1999-06-01), Yamaguchi et al.
patent: 6749352 (2004-06-01), Yamada et al.
patent: 7029006 (2006-04-01), Izumi et al.
patent: 0 832 753 (1998-04-01), None
patent: A 10-100494 (1998-04-01), None

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