US Patent: 5,009
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Wrench for turning nuts and screws
Ratchet-Wrench
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Patentee:
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| Zelotes W. Avery (exact or similar names) - New Berlin, NY |
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Patent Dates:
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| Applied: |
Feb. 25, 1847 |
| Granted: |
Mar. 13, 1847 |
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Patent Pictures:
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Zelotes W. Avery patent March 13, 1847 -- including interchangeable ratchet heads |
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Stan Schulz
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Description: |
| Heavy malleable iron ratchet wrench with open end wrench on the end of the handle. The patent describes the ratchet pawl action and interchangeable ratchet heads with different size internal openings. Known examples are marked "Webb Patent 1847". One known example includes size reducing inserts. Seldom found complete with a ratchet head. |
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