US Patent: 1,258,361
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| Automatic Monkey Wrench
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Patentee:
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| Joseph P. Ruffeno (exact or similar names) - Opelousas, LA |
| Manufacturer: |
| Not known to have been produced |
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Patent Dates:
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| Applied: |
May 29, 1917 |
| Granted: |
Mar. 05, 1918 |
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Patent Pictures:
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Joseph P. Ruffeno patent March 5, 1918 |
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Stan Schulz
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Description: |
| The wrench consists of a handle with internal compression spring and pipe gripping jaw, an extended shank with a terminal fixed jaw, and an intermediate movable jaw with a flat face and a pipe gripping face. The movable jaw has a secondary shank with rack teeth, and which bears against the compression spring. A pivoting latch engages the rack to hold the adjustment. |
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