X-Y Plotter for producing diagrams from computer information

Details X-Y Plotter for producing diagrams from computer information X-Y Plotter for producing diagrams from computer information

1981-11-16

1983-12-20

Stearns, Richard R.

Geometrical instruments

Miscellaneous

Light direction

346139B, G01D 1516, F16H 5552

Patent

active

044208863

ABSTRACT:
An X-Y plotter comprising a pen carriage equipped with a recording pen; a slider for guiding the pen carriage; a first driving arrangement for moving the pen carriage along the slider in the X direction which comprises a first driving motor and a first wire in a closed loop both ends of which are connected to the pen carriage; a second driving arrangement for moving the slider in the Y direction which comprises a second driving motor and a second wire in a closed loop both ends of which are connected to the slider; and a tensioning device comprising a slide equipped with a pair of pulleys and a slack-preventing wire one end of which is connected to the slider; one of the pulleys of the slide engaging the first wire and the other engaging the slack-preventing wire so that the wires are kept free from slack.

REFERENCES:
patent: 2746151 (1956-05-01), Kennedy
patent: 3182399 (1965-05-01), Price
patent: 3379834 (1968-04-01), Conners
patent: 3491716 (1970-01-01), Ranford
patent: 3611819 (1971-10-01), Muller et al.
patent: 4346867 (1982-08-01), Dick et al.

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