Non impact dot matrix printer

Details Non impact dot matrix printer Non impact dot matrix printer

1978-04-27

1980-11-25

Sewell, Paul T.

Typewriting machines

Typing by other than type-face or type-die

Thermal

346 76PH, 101 9304, 400 59, 400328, B41J 310, B41J 320

Patent

active

042355559

ABSTRACT:
A non impact dot matrix printer of the serial-parallel or parallel type having a base member extending parallel to the line of print direction on which a plurality of adjacent printing heads is independently mounted; each head has a planar surface carrying thereon a row of dot size printing elements facing the recording medium, the rows of all the heads being aligned to form a single long row of printing elements extending parallel and equally spaced along the line of print direction; each head is fixed to an end of a resilient lamina, the other end of which is fixed to the base member, the lamina by flexing and twisting allows uniform contact of resistive elements of each head against recording medium; in the printer, the base member is reciprocated along the line of print direction by a pair of cam following rollers cooperating with a cam.

REFERENCES:
patent: 3905462 (1975-09-01), Nowak
patent: 3951247 (1976-04-01), Montanari
patent: 3993181 (1976-11-01), Potma
patent: 4000393 (1976-12-01), Cochran et al.

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