US Patent: 72,099
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| Improvement in Auger-Handles
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Patentee:
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| Daniel Y. Smith (exact or similar names) - Joliet, IL |
| USPTO Classifications: |
| 81/28 |
| Manufacturer: |
| Not known to have been produced |
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Patent Dates:
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| Granted: |
Dec. 10, 1867 |
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Jeff Joslin (dm)
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Description: |
| Shank of the auger bit is trapped between a metal ferrule and a circular nut (which adjusts to take up slack and accommodate different sized shanks), and notches in the shank are kept engaged with the ferrule by a flat spring. |
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