Typewriting machines – Including type-set-assemblage mounted on carrier and... – Including type-faces movable relative to type-face-carrier
Patent
1980-01-07
1981-11-10
Sewell, Paul T.
Typewriting machines
Including type-set-assemblage mounted on carrier and...
Including type-faces movable relative to type-face-carrier
400175, B41J 124
Patent
active
042995027
ABSTRACT:
The invention relates to a printing unit in an electric office printing machine, and more exactly the invention has for its object to provide an arrangement which makes it possible with a minimum of manual operations to change print elements of circular disc type. This is achieved by moving the printing unit away from the carriage at the same time as the print element by the action of a special coupling is detached from the motor shaft on which the print element is supported, this being possible only when the attachment device for the print element is in such a position that it can receive a new print element.
REFERENCES:
patent: 4197022 (1980-04-01), Dollenmayer
Facit Aktiebolag
Miller Alfred E.
Sewell Paul T.
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