Coordinate plotter with automatic punching device

Details Coordinate plotter with automatic punching device Coordinate plotter with automatic punching device

1984-09-06

1987-01-13

Little, Willis

Geometrical instruments

Miscellaneous

Light direction

33189, 331845, B65H 1736

Patent

active

046353658

ABSTRACT:
Disclosed herein is a coordinate plotter with at least one automatic punching device, adapted to draw a desired picture by shifting a table and an autographic head, which is directed downwardly from a point right above the table, in the X-axis and Y-axis directions respectively. The at least one automatic punching device is provided in adjacent to a side edge parallel to the moving direction of the table and at a height equal to the upper surface of the table so as to form a positioning hole through a sheet laid on the table for drawing the desired picture thereon. The specification also discloses a method and apparatus for conveying sheets to the coordinate plotter.

REFERENCES:
patent: 3492900 (1970-02-01), Hill et al.
patent: 3757423 (1973-09-01), Wieg
patent: 3844461 (1974-10-01), Robinson et al.
patent: 4477978 (1984-10-01), Azuma

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