US Patent: 23,381
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Expanding Auger
Adjustable Hollow Auger
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Patentee:
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| Charles Meyer (exact or similar names) - Fond du Lac, WI |
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Patent Dates:
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| Granted: |
Mar. 29, 1859 |
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Patent Pictures:
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Stan Schulz
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Description: |
| The cutters slide in grooves in the stock, and are slid in and out by the action of a scroll-grooved ring. An item in the November 1, 1859 NEW YORK COACH-MAKER'S MAGAZINE shows Meyer offering these in two forms of hollow auger and as a brace. According to that write-up a secondary adjustment enables compensation for wear. |
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