Tracing table for recording the program for an automatic machine

Details Tracing table for recording the program for an automatic machine Tracing table for recording the program for an automatic machine

1979-11-09

1982-04-20

Martin, Jr., William D.

Geometrical instruments

Miscellaneous

Light direction

33125M, G09G 300

Patent

active

043251889

ABSTRACT:
A Cartesian coordinate tracing table for entering a program into a memory of an automatically controlled machine. The tabel has guide bars extending in the X and Y directions. Two rotary generators which are responsive to movement of a cursor in the X and Y directions generate electrical signals for transmission to a memory. One rotary pulse generator is mounted on a carriage movable along the guide bar extending in the X direction. The other rotary pulse generator is mounted on a cursor slidable along the guide bar extending in the Y direction which in turn is mounted on the carriage. Each rotary pulse generator includes a rotatable shaft having a driving roller which contacts a guide bar to provide the driving force to the generator.

REFERENCES:
patent: 3403263 (1968-09-01), Hargens
patent: 3438133 (1969-04-01), Brault
patent: 3602638 (1971-08-01), Pascoe

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