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US Patent: 981,315
Means for preventing frictional drag on rotating screw-heads
Patentee: George E. Rogers (exact or similar names) - Greenfield, MA USPTO Classifications: 403/119, 411/531 Tool Categories: woodworking tools : braces : ratchet braces Assignees: Millers Falls Co. - Millers Falls, MA Manufacturer: Millers Falls Co. - Millers Falls, MA Witnesses: Katherine E. Nichols Earle A. Brown	Patent Dates: Granted: Jan. 10, 1911 Patent Pictures: USPTO (New site tip) Google Patents Report data errors or omissions to steward Kirk Eppler "Vintage Machinery" entry for Millers Falls Co.
Description: This patent is an improvement to patent 935,266. The improvement is to prevent the chuck from unscrewing from the arm as the brace is rotated.

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