US Patent: 218,285
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Pipe-Wrench
Frictional Pipe-Wrench
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Patentee:
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| Edwin S. Leaycraft (exact or similar names) - Brooklyn, NY |
| USPTO Classifications: |
| 81/64 |
| Manufacturer: |
| Not known to have been produced |
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Patent Dates:
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| Applied: |
Jan. 18, 1879 |
| Granted: |
Aug. 05, 1879 |
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Patent Pictures:
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Edwin S. Leaycraft patent August 5, 1879 |
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Stan Schulz
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Description: |
| This patent uses a thin sheet metal strap as the gripping portion. It was intended for use with threaded brass or copper pipe.
Several 20th Century oil filter and jar wrenches operate on this principle.
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