US Patent: 105,896
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| Improvement in Hollow Auger
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Patentee:
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| Charles S. Bonney (exact or similar names) - Syracuse, NY |
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Patent Dates:
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| Granted: |
Aug. 02, 1870 |
| Reissue Information: |
| Reissued as RE7,689 (May 22, 1877) |
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Patent Pictures:
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Image courtesy and (c) Todd E. Werts |
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Russ Allen.
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Description: |
| Utilizes a revolving disk to allow the creation of different sized tenons along with an adjustable cutter.
Tenon openings marked 3/8, 7/16, 1/2, 9/16, 5/8, 11/16, 7/8, 1
Known example marked: BONNEY'S/PAT.AUG/2.70
Known example marked: BONNEYS/PA (see images) |
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