US Patent: 243,304
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| Socket Wrench
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Patentees:
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| William G. Pride (exact or similar names) - Brooklyn, NY |
| William T. Donnelly (exact or similar names) - Brooklyn, NY |
| Manufacturer: |
| Not known to have been produced |
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Patent Dates:
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| Applied: |
Jul. 14, 1880 |
| Granted: |
Jun. 21, 1881 |
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Patent Pictures:
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W. G. Pride and W. T. Donnelly patent June 21, 1881 |
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Stan Schulz
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Description: |
| The circular head is held in place by lugs on the arms. The circular head with peripheral teeth is driven by a a curved toothed member on the handle. The side of this member facing the handle is tapered, so that wedge action forces it to engage the teeth on the circular head. The patent also describes sockets, extension rods, and a handle extension for use with this design. |
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