US Patent: 194,716
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| Pipe Tongs or Wrenches
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Patentee:
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| Edward B. O'Kelly (exact or similar names) - Boston, MA |
| Manufacturer: |
| Not known to have been produced |
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Patent Dates:
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| Applied: |
Jul. 06, 1877 |
| Granted: |
Aug. 28, 1877 |
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Patent Pictures:
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Edward B. O*Kelly patent August 28, 1877 |
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Stan Schulz
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Description: |
| The movable jaw has rack teeth that engage teeth on the shank. The adjustment is held by a spring. A secondary sliding toothed face in the movable jaw is held in engagement by a second spring. |
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