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US Patent: 270,537
Feed mechanism for drills
Patentees: Benjamin F. Barnes (exact or similar names) - Rockford, IL John Barnes (exact or similar names) - Rockford, IL USPTO Classifications: 74/840 Tool Categories: metalworking machines : metalworking machine mechanisms metalworking machines : drilling and boring Assignees: W. F. & John Barnes Co. - Rockford, IL Manufacturer: W. F. & John Barnes Co. - Rockford, IL Witnesses: A. R. Rea A. O. Behel	Patent Dates: Applied: Aug. 10, 1881 Granted: Jan. 09, 1883 Patent Pictures: USPTO (New site tip) Google Patents Report data errors or omissions to steward Jeff Joslin Vintage Machinery entry for W. F. & John Barnes Co.
Description: A combined screw-gear and lever-ratchet feeding mechanism for a vertical drill.

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