Printing piston assembly

Details Printing piston assembly Printing piston assembly

1976-09-24

1978-08-22

Sewell, Paul T.

Typewriting machines

For typing on flat record-medium or against flat platen

Work support

101288, 400654, B41J 102, B41F 354

Patent

active

041085566

ABSTRACT:
An improved force exerting means for a printing apparatus of the type having a printing station, a printing force resisting means, a front element and an image carrier wherein said improved force exerting means includes a curved force exerting surface, a means for guiding and supporting the curved surface in rolling movement relative to a printing station between first and second positions such that a printing force is exerted against successive portions of a printing surface, and means for moving the curved surface in rolling movement between said first and second positions.

REFERENCES:
patent: 3418933 (1968-12-01), Schaefer
patent: 3837461 (1974-09-01), Waibel

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