US Patent: 307,186
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Spring Jaw Wrench
Self-Adjustable Spring-Jaw Wrench
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Patentee:
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| Frank L. French (exact or similar names) - Meriden, NH |
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Patent Dates:
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| Applied: |
Jun. 09, 1884 |
| Granted: |
Oct. 28, 1884 |
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Patent Pictures:
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1 | 2
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Frank L. French patent October 28, 1884 |
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Stan Schulz
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Description: |
| A compression spring inside the shell closes the jaws. The specifications describe the internal parts including the provisions for keeping the jaws aligned and how power is transfered from the handle. Produced as a carriage axle nut wrench by the inventor. |
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