Sealing element for an automatic drafting pen

Details Sealing element for an automatic drafting pen Sealing element for an automatic drafting pen

1978-11-14

1979-10-30

Miller, Jr., George H.

Recorders

Markers and/or driving means therefor

With ink supply to marker

346141, G01D 1516

Patent

active

041730216

ABSTRACT:
A sealing element for an automatic drafting pen with a tubular tip wherein a reciprocating horizontal actuating means that acts through a linkage operates a horizontal slide that in one position permits the pen to contact the drafting surface and in a second position seals the pen with the horizontal slide.

REFERENCES:
patent: 4097874 (1978-06-01), Anderka et al.
patent: 4106031 (1978-08-01), Jozat

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