Text processing device comprising an exchangeable disc having fl

Details Text processing device comprising an exchangeable disc having fl Text processing device comprising an exchangeable disc having fl

1982-02-23

1984-10-09

Sewell, Paul T.

Typewriting machines

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

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

400171, 400175, B41J 130

Patent

active

044758278

ABSTRACT:
A text processing device, for example a typewriter, comprising a first guide for text receiving sheet material, a carrier slidable along a second guide for a disc being rotatable about an axis and having flexible, radial symbol arms and a hammer mechanism mounted fixedly on the carrier opposite the first guide touching each symbol arm, wherein the disc has a central orifice for receiving a pin journalled in the carrier and being displaceable with the aid of a mechanism from a retracted position to a projecting operational position and conversely, in which projecting position the pin snaps into said orifice, whereas the disc is equipped with a registering member disposed near said central orifice and co-operating with a driving element setting the angular position of the disc, said driving element being journalled coaxially with the pin in the carrier.

REFERENCES:
patent: 4202639 (1980-05-01), Rello
patent: 4245916 (1981-01-01), Habich et al.
patent: 4310255 (1982-01-01), Asano et al.
patent: 4314770 (1982-02-01), Harre
patent: 4332490 (1982-06-01), Tschudi

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