Apparatus for preventing drying-up of drawing needle pens

Details Apparatus for preventing drying-up of drawing needle pens Apparatus for preventing drying-up of drawing needle pens

1985-01-23

1986-12-09

Hartary, Joseph W.

Recorders

Multifactor-driven recorder element

33 181, 346140R, G01D 1516

Patent

active

046283269

ABSTRACT:
A plotter for causing a pen carriage to pick up a drawing needle pen from a pen socket so as to perform drawing, comprises: a support plate located immediately under the pen socket and biased toward a pen tip; and an anti-dry pad formed on an upper surface of the support plate, having elastic and hermetic sealing properties, the pen tip being inserted into the pad.

REFERENCES:
patent: 1967900 (1934-07-01), Perry
patent: 3039438 (1962-06-01), Brown
patent: 4097874 (1978-06-01), Anderka
patent: 4135245 (1979-01-01), Kemplin
patent: 4543589 (1985-09-01), Terasawa

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