US Patent: 287,194
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| Revolving Wrench
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Patentee:
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| Samuel A. Thomas (exact or similar names) - Charleston, MO |
| USPTO Classifications: |
| 81/61 |
| Manufacturer: |
| Not known to have been produced |
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Patent Dates:
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| Applied: |
Sep. 05, 1883 |
| Granted: |
Oct. 23, 1883 |
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Patent Pictures:
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Samuel A. Thomas patent October 23, 1883 |
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Stan Schulz
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Description: |
| This ratchet wrench has provision for adjusting the wrench opening to the size of the nut. The pawls are different lengths, and alternate in engagement with the teeth on the rotating head. |
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