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US Patent: 1,917,831
Machine tool
Patentee: Walter M. Fairbairn (exact or similar names) - Rockford, IL USPTO Classifications: 29/DIG.079, 29/DIG.098, 408/67, 409/137, 82/901 Tool Categories: metalworking machines : drilling and boring : tapping machines Assignees: Barnes Drill Co. - Rockford, IL Manufacturer: Barnes Drill Co. - Rockford, IL Witnesses: Unknown	Patent Dates: Applied: Jul. 24, 1930 Granted: Jul. 11, 1933 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 sweeper arm that clears chips from the coolant trough.

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