US Patent: 62,137
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Pipe Wrench Improvement in Pipe-Tongs
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Manufacturer: |
Not known to have been produced |
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Patent Dates:
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Granted: |
Feb. 19, 1867 |
Patent Pictures:
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John Johnson Pat. Feb. 19, 1867 |
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Stan Schulz
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Description: |
This tongs has an intermediate rotating member with a ratchet and an off-center pin. This feature forms a movable pivot for the handle with the short jaw to adjust the tongs to different pipe sizes. |
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