US Patent: 63,481
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| Improved Wrench
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Patentee:
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| James E. Cronk (exact or similar names) - Poughkeepsie, NY |
| Manufacturer: |
| Not known to have been produced |
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Patent Dates:
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| Granted: |
Apr. 02, 1867 |
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Patent Pictures:
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James E. Cronk Pat. April 2, 1867 |
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Stan Schulz
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Description: |
| An eccentric disc between two sliding jaw segments adjust the jaw opening. The drawings show the adjustment mechanism employed on a double-ended wrench. The patent covers the eccentric, the pin that serves as an "axle," and the slot in which the eccentric rides. |
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