US Patent: 330,453
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Wrench
Improvements in Tap-Wrenches
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Patentee:
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| Robert Wolfe (exact or similar names) - Waterbury, CT |
| Manufacturer: |
| Not known to have been produced |
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Patent Dates:
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| Applied: |
Jul. 21, 1885 |
| Granted: |
Nov. 17, 1885 |
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Patent Pictures:
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Robert Wolfe patent November 17, 1885 |
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Stan Schulz
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Description: |
| The jaws are held in the frame by dovetailed wedges. The jaw connected to the adjusting screw has a secondary slot beneath the wedge to hold the retaining pin that secures the jaw to the screw. |
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