US Patent: 2,691,317
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| Locking Device For Pipe Wrenches
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Patentee:
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| Ernest T. Olson (exact or similar names) - Oshkosh, NE |
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Patent Dates:
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| Applied: |
Dec. 07, 1953 |
| Granted: |
Oct. 12, 1954 |
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Patent Pictures:
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Ernest T. Olson patent October 12, 1954 |
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Stan Schulz
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Description: |
| The "over-center" lever handle attached to a link just ahead of the adjusting nut tightens the grip, and can lock on if properly adjusted.
The specifications reference previous patent numbers 884,422, 1,309,874, 1,503,662, 1,747,360, 1,811,452, 2,524,376, and 2,657,606.
Produced as the EAGLE GRIP pipe wrench. |
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