US Patent: 228,707
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Pipe-Wrench
Wrench Adapted To Grasping Cylindrical Bodies
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Patentee:
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| William C. Westerfield (exact or similar names) - Chicago, IL |
| Manufacturer: |
| Not known to have been produced |
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Patent Dates:
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| Applied: |
Apr. 21, 1880 |
| Granted: |
Jun. 08, 1880 |
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Patent Pictures:
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William C. Westerfield patent June 8, 1880 |
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Stan Schulz
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Description: |
| Two solid curved links and a chain-link like open link form a gripping loop. Several notches in the shank provide size adjustment. A pivoting flat spring forms a "latch" to hold the open link in the selected notch. |
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