US Patent: 103,015
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| Improved Automatic Friction Dog Lathe-Chuck
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Patentee:
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| Loring Coes (exact or similar names) - Worcester, MA |
| Manufacturer: |
| Not known to have been produced |
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Patent Dates:
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| Granted: |
May 17, 1870 |
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Patent Pictures:
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Loring Coes Lathe Chuck Pat. May 17, 1870 |
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Stan Schulz
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Description: |
| The automatic action lathe chuck is adapted for holding irregular shaped items as well as cylindrical ones. Workpieces could be gripped and released by this chuck without stopping it. The surmise is that Coes intended this chuck to be used in production of screw wrenches. |
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