Typewriting machines – Carriage or carriage-moving or movement-regulating mechanism – Carriage-feed mechanism
Patent
1994-05-09
1997-05-13
Hilten, John S.
Typewriting machines
Carriage or carriage-moving or movement-regulating mechanism
Carriage-feed mechanism
400323, 40012016, B41J 1900
Patent
active
056285728
ABSTRACT:
The present invention is directed to realize a portable, compact, light, thin, inexpensive and fast printer apparatus. A motor is provided between a printing head unit and a stationary frame member to drive the printing head unit relative to the stationary frame member in leftward and rightward directions, thereby eliminating conventional indirect driving components such as a stepping motor and a lead screw. Further, a sensor is provided in the printing head unit to detect a moving velocity and a position of the printing head unit to thereby construct the printer apparatus having reduced number of components to ensure stable driving and high accuracy. According to such a construction, the motor is integrated into the printing head unit, which self-moves in the printer apparatus to eliminate a mechanism converting a rotational movement into a linear movement, thereby achieving cost down of the printing apparatus.
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patent: 4672256 (1987-06-01), Okuno et al.
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patent: 4923315 (1990-05-01), Yamaguchi et al.
patent: 5014072 (1991-05-01), Yamaguchi et al.
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Hayashizaki Shinichi
Hoshino Minoru
Iino Akihiro
Nureki Shinji
Sato Katsuari
Hilten John S.
Seiko Instruments Inc.
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