Typewriting machines – Typing by other than type-face or type-die – Character formation by impact
Patent
1981-06-22
1982-12-28
Sewell, Paul T.
Typewriting machines
Typing by other than type-face or type-die
Character formation by impact
101 9305, B41J 312
Patent
active
043659020
ABSTRACT:
A multiwired print head having an elongated conical center member with wire guiding sections formed thereon and with a plurality of recessed portions for minimizing the surface contact area between the print wire and the elongated member. In addition, the elongated member mounted within a frame having actuators operating therewith for imparting axial motion to the print wires and having wire bridge supports for supporting the elongated conical member to the frame at positions corresponding to the raised portions of the conical member which bridge members act to retain the print wires in their recessed notches.
REFERENCES:
patent: 3897865 (1975-08-01), Darwin et al.
patent: 4084678 (1978-04-01), Reier et al.
patent: 4185929 (1980-01-01), Hebert
patent: 4236836 (1980-12-01), Hodne
patent: 4309116 (1982-01-01), Maeda
Biedermann Horst H.
Hermann Ferdinand
Pechinger Ernst
Sereinigg Emil L. F.
Cavender J. T.
Dugas Edward
Gillette Donald P.
NCR Corporation
Sewell Paul T.
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