US Patent: 122,916
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Improvement in Ratchet Wrenches
Improvement in Rotating Wrenches
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Patentee:
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| Rufus S. Sanborn (exact or similar names) - Rockford, IL |
| Manufacturer: |
| Not known to have been produced |
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Patent Dates:
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| Applied: |
Nov. 29, 1871 |
| Granted: |
Jan. 23, 1872 |
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Patent Pictures:
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Rufus S. Sanborn Pat. Jan. 23, 1872 |
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Stan Schulz
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Description: |
| The ratchets have double adjustable parallel or angular jaws. The center is hollow to allow for turning nuts on long bolts; the double adjustable jaws allow the work piece to be centered.
Cited as "reference" in 2,671,367. |
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