US Patent: 464,751
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| Wrench
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Patentee:
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| Frank S. Cook (exact or similar names) - Elkhart, IN |
| Manufacturer: |
| Not known to have been produced |
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Patent Dates:
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| Applied: |
Mar. 01, 1890 |
| Granted: |
Dec. 08, 1891 |
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Patent Pictures:
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Frank S. Cook patent December 8, 1891 |
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Stan Schulz
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Description: |
| A spring in the handle pulls the movable jaw closed. The adjustment is held by a cam / locking lever pressing the toothed shank of the movable jaw against a serrated portion in the handle. There is enough "flex" in the connection to allow the jaws to spread apart on "reverse" motion of the handle, and thereby grip & release a workpiece in a form of ratchet action. |
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