US Patent: 357,869
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| Nut Wrench
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Patentees:
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| Albion K. Spaulding (exact or similar names) - Belgrade, ME |
| Alpheus M. Spaulding (exact or similar names) - Belgrade, ME |
| Manufacturer: |
| Not known to have been produced |
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Patent Dates:
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| Applied: |
Jul. 14, 1886 |
| Granted: |
Feb. 15, 1887 |
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Patent Pictures:
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A. K. Spaulding and A. M. Spaulding patent February 15, 1887 |
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Stan Schulz
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Description: |
| The movable jaw is attached to a central slide with threaded edges. The internal surface of the handle is threaded; turning the handle adjusts the jaw.
A similar design produced by the Augusta Wrench Company has the movable jaw sliding in a slot in the frame, and moved by a threaded rod attached to the handle. The relevant patents are 325,942 and 376,891. |
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