Pen driving mechanism

Details Pen driving mechanism Pen driving mechanism

1982-03-19

1984-02-07

Griffin, Donald A.

Recorders

Markers and/or driving means therefor

Stylus feature

G01D 1316

Patent

active

044306601

ABSTRACT:
A mechanism for driving a recording pen in an automatic drafting machine, an X-Y plotter, etc., comprising a moving coil which is operated unitarily with the recording pen, magnetic circuits in which a center pole, permanent magnets and legs are arranged so as to interlink magnetic fluxes to the moving coil, a holder which holds the recording pen, and a supporting shaft and bearings which support the holder, the moving coil being supplied with current to drive the recording pen.

REFERENCES:
patent: 2032991 (1936-03-01), Lange
patent: 2375820 (1945-05-01), Ridings et al.
patent: 2644738 (1953-07-01), Gardner
patent: 3079604 (1963-02-01), Schwarzer
patent: 4150902 (1979-04-01), Brescia
patent: 4233609 (1980-11-01), Hubbard
patent: 4258369 (1981-03-01), Hagiwara et al.
patent: 4274102 (1981-06-01), Lum

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