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CA Patent: CA-422,198
Duplicator for machine tools
Patentee:
Clarence Johnson - South Euclid, OH

USPTO Classifications:

Tool Categories:
metalworking machines : milling machines : milling machine accessories
metalworking machines : metal lathes : metal lathe accessories

Assignees:
Bailey Meter Co. - Wickliffe, OH

Manufacturer:
Monarch Machine Tool Co. - Sidney, OH

Witnesses:
Unknown

Patent Dates:
Granted: Aug. 22, 1944

Patent Pictures:
CIPO Data
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"Vintage Machinery" entry for Monarch Machine Tool Co.
Description:
This duplicator uses a template that is "scanned" by a jet of fluid, "so that variations in the shape of the template causing corresponding changes in the fluid discharged from the nozzle, which changes in turn control the positioning of the tool relative to the work piece." We have seen this patent number listed on a Monarch lathe.

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