US Patent: 42,062
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| Improved Sliding Nut for Wrenches and Other Tools
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Patentee:
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| James S. Arthur (exact or similar names) - Cordaville, MA |
| Manufacturer: |
| Not known to have been produced |
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Patent Dates:
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| Applied: |
Feb. 11, 1864 |
| Granted: |
Mar. 29, 1864 |
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Patent Pictures:
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James S. Arthur Pat. Mar. 29, 1864 |
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Stan Schulz
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Description: |
| A rotating nut with an internal threads and cavity throws teeth into and out of engagement with a rack. The adjusting device is shown in use on a movable wrench jaw The description also notes how it could be used to adjust a plow plane. |
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