US Patent: 85,276
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| Improvement in Wrenches
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Patentee:
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| John Burt (exact or similar names) - Fall River, MA |
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Patent Dates:
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| Granted: |
Dec. 29, 1868 |
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Patent Pictures:
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John Burt Pat. Dec. 29, 1868 |
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Stan Schulz
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Description: |
| The patent is for a spring within a wrench jaw for the purpose of holding a nut such as a carriage axle nut.
A malleable iron "box end" carriage wrench with this spring clip, and marked with this patent date is known; the maker is not known. |
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