US Patent: 587,006
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| Nut Wrench
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Patentee:
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| Charles H. Lambkin (exact or similar names) - Mount Vernon, NY |
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Patent Dates:
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| Applied: |
Oct. 09, 1896 |
| Granted: |
Jul. 27, 1897 |
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Patent Pictures:
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Charles H. Lambkin patent July 27, 1897 |
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Stan Schulz
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Description: |
| Adjustable jaws fit within a "jaw-holder" with a circular exterior. Lever handles are attached to a band that surrounds the circular jaw holder. Closing the lever handles tightens the band, for a ratchet-like action. An August 5, 1897 IRON AGE article describes Lambkin's production of a combination friction wrench and drill corresponding to this patent.
Lambkin received an improvement patent (no. 620,461) on February 28, 1899. |
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