G - Physics – 06 – K
Patent
G - Physics
06
K
234/5
G06K 15/00 (2006.01) G01D 15/28 (2006.01)
Patent
CA 1273615
ABSTRACT A plotter having the capability of unattended operation incorporates several innovations. An X-axis dual motor drive mechanism moves the plotting chart through the plotter using two independently controlled motors driving respective individual friction drives at either side of the chart. An automatic chart alignment mechanism aligns the chart with the plotter X-axis using the X-axis dual motor drive for swiveling of the chart as necessary and a sensor to detect and correct the position of the chart. A chart cutting mechanism allows chart stock supplied in roll form to be cut to a desired length for a plot using a knife assembly carried by the pen carriage like a pen. A cut chart handling mechanism enables cut charts to be retrieved and neatly stored.
549911
Freeman Marvin L.
Johnson Robert A.
Parnell James A.
Silverberg Eric
Freeman Marvin L.
Johnson Robert A.
Osler Hoskin & Harcourt Llp
Parnell James A.
Silverberg Eric
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