X-Y Plotter for producing diagrams from computer information

摘要

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.