US Patent: 52,106
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| Improved Wrench and Drill
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Patentee:
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| Nathaniel W. Woodbury (exact or similar names) - South Danvers, MA |
| Manufacturer: |
| Not known to have been produced |
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Patent Dates:
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| Granted: |
Jan. 16, 1866 |
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Patent Pictures:
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Nathaniel W. Woodbury Pat. Jan 16, 1866 |
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Stan Schulz
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Description: |
| The patent encompasses a ratchet which serves both as a drill handle and as a ratchet wrench for set screws and the like. The patent includes the feed screw for the drill. The description mentions the use of bushings to fit the square opening in the ratchet head to different sizes of set screws. |
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