US Patent: 14,571
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| Wrench
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Patentee:
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| Philip McManus (exact or similar names) - Brunswick, NY |
| Manufacturer: |
| Not known to have been produced |
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Patent Dates:
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| Granted: |
Apr. 01, 1856 |
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Patent Pictures:
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Philip McManus Pat. Apr. 1, 1856 |
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Stan Schulz
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Description: |
| The patent is for a wrench adjustment mechanism using two racks and an eccentric lever or cam. The patent includes a finger piece on the movable jaw. The drawings show alternate realizations of the patented features. |
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