US Patent: 115,211
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| Improvement in Bung Borers
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Patentee:
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| William A. Ives (exact or similar names) - New Haven, CT |
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Patent Dates:
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| Granted: |
May 23, 1871 |
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Patent Pictures:
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1 | 2
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Russ Allen.
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Description: |
| Gimlet point with the semi-circular cutting edge formed by chamfering the cutter body from the outside in and forward. Typically bung borers had the cutting edge chamfered from the inside out which resulted in the cutting edge producing an non-round hole due to it digging in. |
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