Thermal transfer recording apparatus and ink sheet cassette ther

Details Thermal transfer recording apparatus and ink sheet cassette ther Thermal transfer recording apparatus and ink sheet cassette ther

1987-12-30

1990-01-09

Crowder, Clifford D.

Typewriting machines

Typing by other than type-face or type-die

Thermal

400208, 400243, 242198, B41J 3314, B41J 3200, B41J 320

Patent

active

048924253

ABSTRACT:
In a combination of a thermal transfer recording apparatus and an ink sheet cassette therefor, a take-up shaft of the ink sheet cassette has an outer diameter smaller than that of a supply shaft. A new ink sheet wound about the supply shaft to a location close to an inner wall surface of a supply shaft housing section of a cassette case is changed to a used ink sheet wrinkled due to heating by a thermal head. The used ink sheet having an increased thickness due to the wrinkles is taken up in the form of a roll about the take-up shaft. The roll of the used ink sheet entirely wound about the take-up shaft has such an outer diameter as to be out of contact with an inner wall surface of a take-up shaft housing section to thereby prevent contact of the take-up shaft with an inner wall surface of the cassette case due to an increase in the diameter of the roll of the used ink sheet wound about the take-up shaft.

REFERENCES:
patent: 4400103 (1983-08-01), Daughters
patent: 4480936 (1984-11-01), Kasun et al.
patent: 4650357 (1987-03-01), Sidvers et al.
patent: 4687358 (1987-08-01), Saitou
patent: 4798486 (1989-01-01), Kaneko

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