US Patent: 433,358
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Wrench
Improvements in Socket Wrenches
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Patentee:
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| Joseph Jeremiah McCarthy (exact or similar names) - Dodsonville, OH |
| Manufacturer: |
| Not known to have been produced |
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Patent Dates:
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| Applied: |
Jan. 16, 1889 |
| Granted: |
Jul. 29, 1890 |
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Patent Pictures:
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Joseph J. McCarthy patent July 29, 1890 |
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Stan Schulz
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Description: |
| The shank portions of the adjustable jaws is curved, which affects the rate of closure of the jaws. They are advanced and retracted by a screw. A spring latch engages notches in the adjusting screw to hold the adjustment. |
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