Ribbon switching device for a portable typewriter

Details Ribbon switching device for a portable typewriter Ribbon switching device for a portable typewriter

1980-06-23

1982-05-11

Pieprz, William

Typewriting machines

Including interposed inking device for record-medium

Including mechanism for shifting ribbon laterally at...

4002161, B41J 3514

Patent

active

043290744

ABSTRACT:
A typewriter for portable use comprises a plurality of type lugs, a plurality of operation keys and key levers for operating the type lugs; a carriage for supporting paper, a spacing means for moving the carriage one space, and a ribbon switching means provided in contact with the spacing means so as to be moved by the movement of the spacing means. A ribbon holder is shifted vertically to select the required color section of a two color ribbon. Further, many parts of the ribbon switching means are adapted to easy manufacture, and to allow the extensive use of plastics in the construction.

REFERENCES:
patent: 865894 (1907-09-01), Hess
patent: 1040298 (1912-10-01), Felbel
patent: 1040405 (1918-10-01), Pool
patent: 1046893 (1912-12-01), Strother
patent: 1050248 (1913-01-01), Strother
patent: 2152848 (1939-04-01), Helmond
patent: 2498781 (1950-02-01), Wise
patent: 3666069 (1972-05-01), Suzuki

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