US Patent: 510,263
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| Wrench
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Patentee:
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| Edward P. Jones (exact or similar names) - Philadelphia, PA |
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Patent Dates:
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| Applied: |
Apr. 24, 1893 |
| Granted: |
Dec. 05, 1893 |
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Patent Pictures:
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Edward P. Jones patent December 5, 1893 |
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Stan Schulz
Martin J. Donnelly Antique Tools
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Description: |
| A set-screw type adjustment works against a spring to set the position of the sliding jaw. An article in the Dec. 23, 1893 Scientific American notes "When jaws are shaped to receive a polygonal nut the handle is placed at an angle of 15 degrees to the jaw, and where the jaws are formed to receive a square nut, the handle is placed at an angle of almost twenty-two and a half degrees to the jaws."
Ken Cope's "American Wrench Makers 1830-1930" identifies the Bonney Vise & Tool Works as a second manufacturer in 1898.
Munn & Co.- patent attorneys
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