US Patent: 269,234
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| Pipe Wrench
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Patentee:
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| Edwin A. Robbins (exact or similar names) - Boston, MA |
| Manufacturer: |
| Not known to have been produced |
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Patent Dates:
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| Applied: |
Oct. 02, 1882 |
| Granted: |
Dec. 19, 1882 |
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Patent Pictures:
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Edwin A. Robbins patent December 19, 1882 |
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Stan Schulz
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Description: |
| The adjustable jaw and its adjusting nut fit within the framework of the fixed jaw. A spur on the end of the hinged handle fits in a groove in the adjusting nut. The movement of the hinged handle allows limited motion so the jaws grip without crushing the pipe. |
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