US Patent: 18,266
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Wrench
Improvement in Hand-Wrenches
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Patentee:
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| Henry D. Blake (exact or similar names) - New Hartford, CT |
| Manufacturer: |
| Not known to have been produced |
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Patent Dates:
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| Granted: |
Sep. 22, 1857 |
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Patent Pictures:
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H. D. Blake Pat. Sept. 22, 1857 |
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Stan Schulz
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Description: |
| The adjustable jaws are arranged in a rough parallelogram. A thumb piece extends toward the handle on the inner jaw segment. Motion of the "T" shaped handle segment opens or closes the jaw opening. Both pipe and nut wrench applications are shown in the patent drawing. |
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