Typewriting machines – Including type-set-assemblage mounted on carrier and... – Including type-faces movable relative to type-face-carrier
Patent
1978-09-06
1980-04-15
Sewell, Paul T.
Typewriting machines
Including type-set-assemblage mounted on carrier and...
Including type-faces movable relative to type-face-carrier
400 52, B41J 130
Patent
active
041981693
ABSTRACT:
An electromechanical printer having characters of a type font located on radial spokes of a circular type disc is disclosed. The type disc is normally arrested and connected to be driven about its axis by a unidirectional motor source via a slip clutch. Selection-print activating mechanism responsive to source, e.g. keyboard, generated mechanical outputs serve to select a character stop, in an assembly of character stops, corresponding to characters located on the spokes of the type disc and, incident to selection of a character stop, to release the normally arrested type disc. The type disc is provided with counterstops adapted to engage selected character stops positioned in the path thereof and to move the character stop assembly to a frame supported final positioning stop which arrests the type disc with the selected character opposite a print point. The encounter of the character stop assembly with the final positioning stop is employed to operate a print hammer to drive the selected character against a platen to print. Following printing, means are provided to reset selected character stops and to restore the character stop assembly to normal position.
REFERENCES:
patent: 2161840 (1939-06-01), Adams
patent: 2236663 (1941-04-01), Adams
patent: 3542182 (1970-11-01), Langenberger
patent: 3677386 (1972-07-01), Herterich et al.
patent: 4128346 (1978-12-01), Ragland
Geis Heinz
Mansfeld Manfred
Stuiber Walter
Teichmann Friedrich
Adlerwerke vorm. Heinrich Kleyer A.G.
Sewell Paul T.
Spalla Joseph R.
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