US Patent: 400,659
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| Auger
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Patentee:
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| Frank C. Gerard (exact or similar names) - Seymour, CT |
| Manufacturer: |
| Not known to have been produced |
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Patent Dates:
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| Applied: |
Jun. 18, 1888 |
| Granted: |
Apr. 02, 1889 |
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Jeff Joslin (dm)
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Description: |
| Double twist auger, though the pods are of unequal size. The larger pod delivers the chips from a single cutting lip, which is on the opposite side of the bit from the spur. Many advantages claimed. |
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