Pen type multi-color recording device

Details Pen type multi-color recording device Pen type multi-color recording device

1982-02-11

1983-09-20

Griffin, Donald A.

Recorders

Markers and/or driving means therefor

Stylus feature

346 49, G01D 1516, G01D 928

Patent

active

044059310

ABSTRACT:
A pen type recording device for recording data in any of several colors has a carriage having a rotary drum and movable across the surface of the recording paper through a printing region and a pen-selecting region. The rotary drum carries a plurality of pens arranged on its periphery and cam means mounted on the rotary drum and provided with feed teeth adapted to engage a stationary projection in such a manner that when the carriage is in the printing region, the rotary drum cannot rotate and when the carriage is in the pen-selecting region, the drum can be rotated by reciprocating the carriage to bring a selected pen into printing position.

REFERENCES:
patent: 2778711 (1957-01-01), Fielden

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