US Patent: 627,466
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| Wrench
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Patentees:
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| Robert Ashworth (exact or similar names) - New Haven, CT |
| Albert W. Ashworth (exact or similar names) - New Haven, CT |
| Manufacturer: |
| Not known to have been produced |
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Patent Dates:
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| Applied: |
Nov. 26, 1898 |
| Granted: |
Jun. 27, 1899 |
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Patent Pictures:
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Robert and Albert W. Ashworth patent June 27, 1899 |
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Stan Schulz
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Description: |
| Adjustable pipe wrench with spring pins to set the positions of both jaw sections. The tension of coil springs tends to pull the jaw sections toward each other.
The Ashworth's contemporary design (pat. no. 628,218) is similar and simpler in construction. |
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