Typewriting machines – Typing by other than type-face or type-die – Thermal
Patent
1990-05-16
1991-12-03
Eickholt, Eugene H.
Typewriting machines
Typing by other than type-face or type-die
Thermal
156277, 400636, B41J 320, B32B 3100
Patent
active
050695576
ABSTRACT:
A feeding device for feeding a recording medium having a predetermined printing area on one of its opposite surfaces. The printing area extends in a printing direction. The feeding device includes a pair of feed rollers which holds the medium therebetween in rolling contact with the opposite surfaces of the medium. At least one of the pair of feed rollers is driven so as to rotate about an axis perpendicular to the printing direction, to feed the medium in the printing direction. One of the feed rollers which contacts the above-indicated one surface of the medium has an outer circumferential surface which includes a small-diameter portion whose diameter is smaller than that of the other portions. The small-diameter portion is aligned with the printing area in a direction of width of the medium perpendicular to the printing direction, so that the small-diameter portion is prevented from contacting the printed image. The feed rollers may be replaced by a platen roller of a printer. The platen roller is rotated about an axis perpendicular to the printing direction, and cooperates with a print head of the printer to hold and feed the recording medium such that the platen roller and the print head contact the opposite surfaces of the medium. This arrangement also protects the printed image from an adverse influence by a feeding action of the feeding device.
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Ishikawa Yujiro
Kato Mikio
Kuzuya Susumu
Sakai Takashi
Shimizu Seiji
Brother Kogyo Kabushiki Kaisha
Eickholt Eugene H.
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