Plotter having automatic sheet feeder

Details Plotter having automatic sheet feeder Plotter having automatic sheet feeder

1984-05-09

1986-07-01

Hartary, Joseph W.

Recorders

Performance of multiple functions of steam and gas engines

Pressure responsive element

271239, 271250, 271902, 346129, 346134, G01D 1528

Patent

active

045982988

ABSTRACT:
A high accuracy pen plotter includes an automatic sheet feeder for feeding individual sheets of paper from a paper tray to a platen for plotting. A microprocessor, various stepper motors and encoders allow for accurate and repeatable positioning and alignment of the sheet of paper to be plotted. The sheet of paper is automatically fed from the tray to the platen, is pulled entirely free from the tray, is aligned against a reference edge and may be forcefully ejected from the plotter after plotting is finished.

REFERENCES:
patent: 3666262 (1972-05-01), Fowler
patent: 3761950 (1973-09-01), Yeiser
patent: 4216482 (1980-08-01), Mason
patent: 4384298 (1983-05-01), LaBarre
patent: 4463361 (1984-07-01), Koumura

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