US Patent: 511,190
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Wrench
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Patentee:
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Alexander L. Bedford (exact or similar names) - St. Louis, MO |
Manufacturer: |
Not known to have been produced |
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Patent Dates:
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Applied: |
Oct. 05, 1893 |
Granted: |
Dec. 19, 1893 |
Patent Pictures:
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Alexander L. Bedford patent December 19, 1893 |
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Stan Schulz
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Description: |
The movable jaw has an internal spring, and toothed wedge. The spring holds the jaw and wedge engaged with rack teeth on the shank. A lug on the back side of the movable jaw provides a handle to tilt the jaw against the spring pressure, and release the grip of the toothed wedge. |
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