US Patent: 178,833
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| Wrench
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Patentee:
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| Walter Britton (exact or similar names) - Elmore, IL |
| Manufacturer: |
| Not known to have been produced |
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Patent Dates:
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| Applied: |
Feb. 01, 1876 |
| Granted: |
Jun. 20, 1876 |
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Patent Pictures:
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Walter Britton Pat. June 20, 1876 |
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Stan Schulz
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Description: |
| The movable jaw has a "pawl" overlying a spring, that engages a rack to hold the position of the movable jaw. The specifications do not make clear how the pawl & spring would disenage to open the jaws. |
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