Thermal recording apparatus having a movable platen roller

Details Thermal recording apparatus having a movable platen roller Thermal recording apparatus having a movable platen roller

1990-10-23

1992-08-18

Wiecking, David A.

Typewriting machines

Typing by other than type-face or type-die

Thermal

358296, B41J 2315, H04N 121

Patent

active

051393514

ABSTRACT:
A thermal recording apparatus for example for use in a facsimile machine includes a thermal printhead provided with a plurality of heat-producing elements arranged in the form of a single array and a platen roller which is pressed against the thermal printhead to keep a sheet of recording paper pressed against the array of heat-producing elements so that a heat pattern defined by the array of heat-producing elements is transferred to the sheet of recording paper efficiently. The platen roller is provided to be movable between a recording position where the platen roller is located separated away from the heat-producing elements so as to allow the sheet of recording paper to be separated away from the heat-producing elements and a stand-by position where the platen roller is located and adjacent to the heat-producing elements to keep the sheet of recording paper pressed against the heat-producing elements. The positioning of the platen roller between the stand-by and recording positions is automatically controlling depending on the mode of operation of the apparatus.

REFERENCES:
patent: 4480933 (1984-11-01), Shibayama et al.
patent: 4746234 (1988-05-01), Harry
patent: 4789903 (1988-12-01), Kamada et al.
patent: 4844631 (1989-07-01), Feron et al.
patent: 4848945 (1989-07-01), Sone

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