Serial printer for typewriters, teleprinters and data processors

Details Serial printer for typewriters, teleprinters and data processors Serial printer for typewriters, teleprinters and data processors

1977-04-04

1979-04-03

Sewell, Paul T.

Typewriting machines

Including type-set-assemblage mounted on carrier and...

Including type-faces movable relative to type-face-carrier

101 9348, 400166, 400173, B41J 130

Patent

active

041474384

ABSTRACT:
A serial printer comprising a character carrier having a plurality of flexible leaf springs bearing characters on the extremities thereof. A desired character is selected by positioning the corresponding leaf spring to a printing position. A pushing mechanism exerts pressure against the leaf spring in the printing position to effect a controlled motion thereof such that the character meets the paper at a low velocity instead of from acquired kinetic energy thereby resulting in noiseless printing.

REFERENCES:
patent: 1110346 (1914-09-01), Reisser
patent: 2127507 (1938-08-01), Fuchs
patent: 2462132 (1949-02-01), Salmon
patent: 3378127 (1968-04-01), Clary et al.
patent: 3651916 (1972-03-01), Becchi
patent: 3740745 (1973-06-01), Chao
patent: 3840105 (1974-10-01), Kittredge
patent: 3949853 (1976-04-01), Lahr et al.
patent: 3983985 (1976-10-01), Guerrini et al.
patent: 4020940 (1977-05-01), Daley et al.

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