US Patent: 112,109
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| Wrench
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Patentee:
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| Elias Beach (exact or similar names) - Titusville, PA |
| Manufacturer: |
| Not known to have been produced |
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Patent Dates:
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| Granted: |
Feb. 28, 1871 |
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Patent Pictures:
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Elias Beach Pat. Feb. 28, 1871 |
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Stan Schulz
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Description: |
| The patent incorporates a handle with teeth engaging rack teeth on a movable jaw similar to Beach's parallel patent (no. 112,108). It shows two alternate movable jaw arrangements to grip pipe. One alternative uses a pair of bolts to adjust the gripping jaw, and the specifications mention interchangeable jaws to adapt the second alternative to a range of sizes. |
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