US Patent: 593,882
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| Wrench
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Patentee:
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| Samuel T. Freas (exact or similar names) - Trenton, NJ |
| Manufacturer: |
| Not known to have been produced |
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Patent Dates:
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| Applied: |
Jul. 24, 1897 |
| Granted: |
Nov. 16, 1897 |
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Patent Pictures:
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Samuel T. Freas patent November 16, 1897 |
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Stan Schulz
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Description: |
| A spring-tensioned bearing thrusts a friction-cone end of the adjusting nut into a conical socket to prevent accidental alteration of the adjustment. |
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