Textiles: fiber preparation
Patent
1974-05-31
1976-10-05
Burr, Edgar S.
Textiles: fiber preparation
197 67, 197 18, B41J 130, B41J 148
Patent
active
039839850
ABSTRACT:
A typing device comprises a character-bearing disc having a central part for being fixed on a selector shaft and a peripheral rim with a plurality of selectable flexible laminae. Each lamina carries a particular character and striking means flexes the selected lamina to strike against a typing point of a sheet carrying platen for typing. A positioning element, for angular positioning the characters with respect to the typing point, comprises a recess cooperating with a wedge-shaped profile of each one of the selected laminae when the character strikes on said platen. The laminae carry alphabetic and numerical characters and a gap on periphery of the disc enables the last typed characters of a typing line to be seen and read. Further a hooked element cooperates with an elastic means of a flange integral with the selector shaft to removably fix the character bearing disc to the selector shaft.
REFERENCES:
patent: 1064674 (1913-06-01), Ursbruck
patent: 3157264 (1964-11-01), Frenchette
patent: 3307676 (1967-03-01), Hickerson
patent: 3566782 (1971-03-01), Kocher
patent: 3651916 (1972-03-01), Becchi
patent: 3707214 (1972-12-01), Ponzano
patent: 3840105 (1974-10-01), Kittredge
patent: 3901370 (1975-08-01), Poulton
Bisone Dario
Guerrini Giampaolo
Burr Edgar S.
Ing. C. Olivetti & C. S.p.A.
Suter R. E.
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