US Patent: 191,817
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| Improvement in Hollow Auger
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Patentee:
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| George N. Stearns (exact or similar names) - Syracuse, NY |
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Patent Dates:
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| Applied: |
Oct. 26, 1876 |
| Granted: |
Jun. 12, 1877 |
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Patent Pictures:
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Ralph Brendler
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Description: |
| This is a completely new design for hollow augers, which is designed for cutting tapered tenons. As the wheel is turned, the taper increases.
Known examples are marked with the patent date, but no manufacturer name. My guess is it was produced by E.C. Stearns. |
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