Typewriting machines – Carriage or carriage-moving or movement-regulating mechanism – Carriage-feed mechanism
Patent
1987-03-11
1988-11-15
Sewell, Paul T.
Typewriting machines
Carriage or carriage-moving or movement-regulating mechanism
Carriage-feed mechanism
400 59, 400322, 400328, 400352, 4007051, B41J 2530
Patent
active
047845031
ABSTRACT:
The carriage is displaced by a tooth belt which is moved continuously by an electric motor and is connected to the carriage be means of an element engaged between two teeth of the belt and slidable on the carriage in a direction perpendicular to the direction of displacement of the carriage. The pulleys are provided with a recess capable of engaging the element in such a way as to move it positively in said perpendicular direction. The carriage is also connected by means of a tension spring to a strip provided with areas of an optical encoder in respect of the print positions. The upper paper pressure arrangement is formed by two rollers carried by two sliders fitted into corresponding longitudinal slots in the fixed support. The paper is carried by a feed reel which is carried by two arms which can be fitted by catch engagement on corresponding shoulders on the fixed support. The printer is particularly suitable for being connected to the output of a personal or home computer.
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patent: 4181443 (1980-01-01), Hirabayashi
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patent: 4372698 (1983-02-01), Matsushima
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patent: 4518272 (1985-05-01), George
IBM Tech. Disc. Bulletin, by E. Hungarter, vol. 22, No. 12, May 1980, p. 5303, 400-719.
Ing. C. Olivetti & C. S.p.A.
Sewell Paul T.
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