US Patent: 23,857
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Improved Wrench For Gas-Fitters
Improvement in Slide-Wrenches for Turning Gas Pipes and Other Round Articles
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Patentee:
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| George B. Phillips (exact or similar names) - Albany, NY |
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Patent Dates:
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| Granted: |
May 03, 1859 |
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Patent Pictures:
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1 | 2
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George B. Phillips patent May 3, 1859, with illustration from 1860 catalog listing |
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Stan Schulz
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Description: |
| Wedge-action component on adjustable jaw to grip pipe and other round objects, an adjusting nut with interrupted threads to accomplish quick-adjust effect, and second nut to lock adjustment.
The wrench as produced has the wedge-action gripping jaw piece, but not the two-stage adjusting nut. |
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