US Patent: 168,166
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| Improvement in Pipe-Tongs
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Patentee:
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| Alexander McDonald (exact or similar names) - Halifax, NS Canada |
| Manufacturer: |
| Not known to have been produced |
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Patent Dates:
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| Applied: |
Aug. 28, 1875 |
| Granted: |
Sep. 28, 1875 |
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Patent Pictures:
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Alexander McDonald Pat. September 28, 1875 |
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Stan Schulz
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Description: |
| The pivot point for the tongs is at the end of a set of intermediate links. The effective length of the links can be adjusted by a set screw, to adjust the tongs to different sizes of pipe. |
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