Typewriting machines – Typing by other than type-face or type-die – Thermal
Patent
1996-08-15
1998-02-17
Burr, Edgar S.
Typewriting machines
Typing by other than type-face or type-die
Thermal
347176, 400185, B41J 2325, B41J 2300
Patent
active
057185220
ABSTRACT:
A thermal transfer printer having an improved structure to transport a recording paper and an ink ribbon by a capstan motor is provided. The printer includes a rotating shaft installed between frames, and in parallel with a capstan roller. A clutch mechanism is provided and includes an inner wheel member provided with a bushing and a cylindrical disk radially extended from one edge of the bushing. The inner wheel member is coupled to an end portion of the rotating shaft, and an outer wheel member is rotatably combined with the outer circumferential surface of the bushing of the inner wheel member and frictionally rotated against the capstan roller, such that when the capstan roller is rotated in one direction, both the inner and outer wheel members are rotated, while when the capstan roller is rotated in the reverse direction, only the outer wheel member is rotated. A take-up reel is coupled to the rotating shaft, for winding one end of the ink ribbon. A supply reel is rotatably installed on the frame, for winding the other end of the ink ribbon.
REFERENCES:
patent: 2354166 (1944-07-01), Windham et al.
patent: 3855448 (1974-12-01), Hanagata et al.
patent: 4695850 (1987-09-01), Nubson
patent: 5369422 (1994-11-01), Yoshida et al.
patent: 5399031 (1995-03-01), Whritenor
Burr Edgar S.
Grohusky Leslie
Samsung Electronics Co,. Ltd.
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