Marking instrument actuator for plotting apparatus or the like

Details Marking instrument actuator for plotting apparatus or the like Marking instrument actuator for plotting apparatus or the like

1981-09-18

1984-01-24

Martin, Jr., William D.

Geometrical instruments

Miscellaneous

Light direction

33 18R, 33 32R, 346139C, G01D 1524

Patent

active

044267835

ABSTRACT:
An automated plotting apparatus has a carriage assembly for positioning an axially elongated pen relative to a plotting sheet supported on a plotting surface in response to command signals received from a controller. A solenoid assembly coaxially surrounds an associated portion of the pen and moves it axially into marking engagement with the sheet. Marking fluid is supplied to the pen from a pressurized reservoir. Pinions driven by a motor mounted in stationary position relative to the plotting surface engage racks mounted on the carriage assembly to move the carriage assembly relative to the plotting surface.

REFERENCES:
patent: 1438829 (1922-12-01), Howell
patent: 3016612 (1962-01-01), Lynott
patent: 3169821 (1965-02-01), Miller
patent: 3199447 (1965-08-01), Jaffa et al.
patent: 3209365 (1965-09-01), Fasola, Jr.
patent: 3844461 (1974-10-01), Robison et al.
patent: 4091980 (1978-05-01), Gerber
patent: 4346392 (1982-08-01), Isobe et al.

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