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US Patent: 1,679,529
Automatic machine tool
Patentee: Albert M. Johnson (exact or similar names) - Rockford, IL USPTO Classifications: 408/135, 408/71, 408/9, 470/105, 470/179, 470/98, 74/822 Tool Categories: metalworking machines : drilling and boring : tapping machines specialty machines : nut or bolt making machines Assignees: Barnes Drill Co. - Rockford, IL Manufacturer: Barnes Drill Co. - Rockford, IL Witnesses: Unknown	Patent Dates: Applied: Mar. 08, 1923 Granted: Aug. 07, 1928 Patent Pictures: USPTO (New site tip) Google Patents Report data errors or omissions to steward Jeff Joslin Vintage Machinery entry for Barnes Drill Co.
Description: This patent covers a spindle reversing mechanism for the drilling and tapping machine of patent 1,679,530.

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