Typewriting machines – Typing by other than type-face or type-die – Thermal
Patent
1988-03-09
1990-01-30
Wiecking, David A.
Typewriting machines
Typing by other than type-face or type-die
Thermal
219216, 346 76PH, B41J 320
Patent
active
048969770
ABSTRACT:
A thermal printer for printing with a print head moved relative to and in contact with a recording medium, supported by a platen. The print head has a plurality of printing elements arranged on its front surface, in a direction intersecting a print line. The print head is supported by a support structure movably between printing and retracted positions. The support structure provides, at least when placed in the printing position, a wedge-shaped clearance between the front surface of the print head, and a plane tangent to the bearing surface of the platen. The wedge-shaped clearance increases with a distance from the printing elements in a direction parallel to the print line. The print head further has a head driver secured on its front surface such that the head driver is positioned within said wedge-shaped clearance. The head driver is electrically connected to the printing elements, for controlling energization of the printing elements.
REFERENCES:
patent: 4396308 (1983-08-01), Applegate et al.
patent: 4606267 (1986-08-01), Wessel et al.
patent: 4626871 (1986-12-01), Schuessler
patent: 4723853 (1988-02-01), Suzaki et al.
Kinoshita Naohisa
Takagi Kazuhiko
Brother Kogyo Kabushiki Kaisha
Wiecking David A.
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