Typewriting machines – Typing by other than type-face or type-die – Thermal
Patent
1995-08-25
1997-10-21
Bennett, Christopher A.
Typewriting machines
Typing by other than type-face or type-die
Thermal
347198, B41J 2335
Patent
active
056789386
ABSTRACT:
A thermal printer that prints on a recording sheet by holding the recording sheet between a thermal print head and a platen, driving the thermal print head to generate heat and driving the platen to feed the recording sheet comprises an approach limiting means that limits the approach of the thermal print head to the platen and determines a minimum distance between the thermal print head and the platen. The approach limiting means is provided with a stopping member for stopping the thermal print head or a print head holding member holding the thermal print head moving toward the platen to limit the approach of the thermal print head to the platen and to determine a minimum distance between the thermal print head and the platen. The thermal printer reduces the bias of distribution of the pressure of the thermal print head on the recording sheet along the width of the same and is capable of printing characters and the like clearly over the entire width of the recording sheet.
REFERENCES:
patent: 4750880 (1988-06-01), Stephenson et al.
patent: 5118208 (1992-06-01), Kitamara
patent: 5181787 (1993-01-01), Hosomi
patent: 5414450 (1995-05-01), Oshino et al.
Matsuda Hideaki
Saito Daisuke
Bennett Christopher A.
Tohoku Ricoh, Co.
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