Typing device

Details Typing device Typing device

1977-05-03

1979-12-11

Sewell, Paul T.

Typewriting machines

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

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

400174, B41J 130

Patent

active

041781074

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 the peripheryof 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: 2127509 (1938-08-01), Fuchs
patent: 2146380 (1939-02-01), Reiber
patent: 3307677 (1967-03-01), Frank et al.
patent: 3651916 (1972-03-01), Becchi
patent: 3707214 (1972-12-01), Ponzano
patent: 3831728 (1974-08-01), Woods et al.
patent: 3983985 (1976-10-01), Guerinni et al.

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