US Patent: 231,023
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| Pipe Wrench
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Patentee:
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| John Everding (exact or similar names) - Philadelphia, PA |
| Manufacturer: |
| Not known to have been produced |
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Patent Dates:
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| Applied: |
Jun. 21, 1880 |
| Granted: |
Aug. 10, 1880 |
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Patent Pictures:
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John Everding patent August 10, 1880 |
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Stan Schulz
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Description: |
| The adjusting collar has internal threads matching threads on the cylindrical shank. The lower movable jaw is pivoted from a secondary collar which fits outside the adjusting collar. The movable jaw is held in alignment with the hook jaw by a loop strap. |
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