Geometrical instruments – Scriber
Patent
1985-01-22
1986-11-11
Martin, Jr., William D.
Geometrical instruments
Scriber
15236A, 15244R, 346140R, G01D 900
Patent
active
046214283
ABSTRACT:
A pen tip cleaning assembly of a plotter for performing drawing with a drawing needle pen held by a pen carriage, is provided wherein a two-dimensional pad of an elastic material is disposed in a drawing surface so as to allow insertion of a pen tip of the drawing needle pen, and the pen tip is moved relative to the two-dimensional pad, whereby the pen tip is cleaned every time the pen tip is inserted in a clean portion of the two-dimensional pad.
REFERENCES:
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patent: 3039438 (1962-06-01), Brown
patent: 3609791 (1971-10-01), Siegel et al.
patent: 3730975 (1973-05-01), Kono et al.
patent: 4097874 (1978-06-01), Anderka et al.
patent: 4176778 (1979-12-01), Fortune
patent: 4455751 (1984-06-01), Held
Fukumura Sadaaki
Hashimoto Takeji
Tagami Etsuji
Tano Hirofumi
Dainippon Screen Mfg. Co,. Ltd.
Farber Martin A.
Iwatsu Electric Co. Ltd.
Martin, Jr. William D.
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