Serial electric printer using single unidirectional motor

Details Serial electric printer using single unidirectional motor Serial electric printer using single unidirectional motor

1983-04-25

1985-11-05

Pieprz, William

Typewriting machines

Carriage or carriage-moving or movement-regulating mechanism

Carriage backspace mechanism

400313, 4003325, 4003072, 400297, 400293, 4003326, B41J 1920, B41J 1962

Patent

active

045510334

ABSTRACT:
A serial printer having a carriage adapted to be shifted transversely of a paper and a type cylinder carried by the carriage in such a manner as to be able to be shifted up and down and to be rotated, so that the printing is effected by pressing the desired type character against the paper. The improvement comprises that the vertical shifting of the type cylinder, rotation of the type cylinder, driving of the hammer, shifting of the carriage and other kinds of operation are performed by the force derived from a single motor, and that operation such as spacing and back spacing of the carriage, paper feeding and so forth is achieved when the type cylinder selects a visible position.

REFERENCES:
patent: 915749 (1909-03-01), Drewell
patent: 2223529 (1940-12-01), Potter
patent: 3532205 (1970-10-01), Ozaki et al.
patent: 3605978 (1971-09-01), Kawano
patent: 3608692 (1971-09-01), Henry
patent: 3739899 (1973-06-01), Brumbaugh et al.
patent: 3822774 (1974-07-01), Bucksey
patent: 3934698 (1976-01-01), McGourty
patent: 3978961 (1976-09-01), Thomson
patent: 3985220 (1976-10-01), Rix et al.
patent: 4420267 (1983-12-01), Iwane

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