Printer having swingable printing rings

Details Printer having swingable printing rings Printer having swingable printing rings

1977-07-01

1978-06-20

Coven, Edward M.

Typewriting machines

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

Plural type-heads mounted for selective individual...

400 18, 4001623, 101110, 101 97, 101 95, 4001511, 4001632, 4001613, B41J 122

Patent

active

040956865

ABSTRACT:
Printer having swingable printing rings which are selectively swung against a platen to print a line of selected characters on a paper by selecting a desired character from a plurality of characters provided on the periphery of each printing ring during the rotation thereof about its axis. Each printing ring is rotatably supported on a swingable printing ring supporting lever which is in turn swingably supported on a driving shaft. A plurality of driving gears are secured to the driving shaft and each of the driving gears meshes with a gear integral with the respective printing ring so as to rotate the same about its axis for selection of a desired character during the rotation thereof. Each printing ring supporting lever is urged by a spring so as to move the printing ring thereon apart from the platen. A plurality of driving levers are swingably supported on the driving shaft and each driving lever is engaged with the respective printing ring supporting lever.

REFERENCES:
patent: 2945091 (1960-07-01), Canepa
patent: 3353648 (1967-11-01), Amada et al.
patent: 3378127 (1968-04-01), Clary et al.
patent: 3456583 (1969-07-01), Priebs
patent: 3674126 (1972-07-01), Decker et al.
patent: 3738264 (1973-05-01), Sobottka et al.
patent: 3973488 (1976-08-01), Mielke

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