JPS6311845U - - Google Patents

Description

[Brief explanation of the drawing]

Fig. 1 is a perspective view showing one embodiment of the present invention;
The figures are a plan view showing the configuration of the ink ribbon cassette in the same embodiment, FIG. 3 is a side view, FIG. 4 is a perspective view of the same essential parts, and FIG. 5 is a perspective view showing the shape of the roll core in the same embodiment. 6A to 6F are schematic side views illustrating the state of the ink ribbon cassette at each stage in ink ribbon exchange in this embodiment, FIG. 7 is a schematic perspective view showing a conventional example, and FIG. 8 is a summary of the same conventional example. FIG. 1... Recording head, 4... Ink ribbon, 17
...Ink ribbon cassette, 20a, 20b...
Ribbon roll guide, 21... Roll core, 22...
...Clutch.

Claims (1)

[Scope of claim for utility model registration] Thermal transfer recording in which the ink ribbon and paper supplied from the supply roll are sandwiched between the platen and the recording head to perform thermal transfer printing, and the printed ink ribbon is collected onto the take-up roll by the driving force of a motor. In the ink ribbon supply/recovery mechanism of the apparatus, the roll cores of the supply roll and the take-up roll are of the same shape, the roll cores of both rolls are detachable, and a rotating means is provided to rotate the attached roll core in the axial direction. an ink ribbon cassette that can be attached to and removed from the main body of the device, on which two sets of ribbon roll guides are installed point-symmetrically; When the ink ribbon cassette is loaded into the main body of the apparatus, the power transmission means connects to the rotating means of the two ribbon roll guides facing the take-up roll side and transmits the power of the motor. , an ink ribbon supply/recovery mechanism characterized in that a roll core loaded in this ribbon roll guide is driven as a take-up roll.