Pen holding device for an automatic drafting device

Details Pen holding device for an automatic drafting device Pen holding device for an automatic drafting device

1977-05-27

1979-06-05

Hartary, Joseph W.

Recorders

Markers and/or driving means therefor

Printing, dotting, or punching marker

33 18R, G01D 1516

Patent

active

041575520

ABSTRACT:
A pen holding device has a pen or pens slidable in a pen holder which is fixed removably to a drafting head frame. The pens are moved up and down by actuating means mounted on the drafting head frame, for drafting and mooring. The engagement of the actuating means to the pens are very easily released by a single releasing mechanism for easy and quick exchange of the pens.

REFERENCES:
patent: 3401401 (1968-09-01), Read
patent: 3550276 (1970-12-01), Kramer
patent: 3686681 (1972-08-01), Stegena

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