Thermal transfer printer with ribbon tensioning mechanism

Details Thermal transfer printer with ribbon tensioning mechanism Thermal transfer printer with ribbon tensioning mechanism

1988-10-11

1990-06-19

Eickholt, Eugene H.

Typewriting machines

Typing by other than type-face or type-die

Thermal

400234, B41J 302, B41J 3200

Patent

active

049348477

ABSTRACT:
A thermal transfer printer comprises a pair of fixed frames for rotatably supporting a platen, a pair of movable frames supporting a thermal head, the movable frames being connected to the fixed frames so as to be rockable around a shaft, between a position where the thermal head is pressed against the platen and a position where the thermal head is moved away from the platen. The ink ribbon is supported by a supply roll and a take-up roll and may be alternately transported in one direction such that the ink ribbon is directed toward the region between the thermal head and the platen or in the direction opposite thereto. The movable frame is provided with operating member adapted to drive the supply roll to move the ink ribbon in the opposite direction, thereby applying a tension of the opposite direction to the ink ribbon, when the movable frame is rocked so that the thermal head is pressed against the platen.

REFERENCES:
patent: 4611937 (1986-09-01), Sato et al.
patent: 4744680 (1988-05-01), Hirosaki et al.
patent: 4838718 (1989-06-01), Okumura et al.

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