US Patent: 92,969
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| Improvement in Screw-Wrench
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Patentee:
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| Henry A. House (exact or similar names) - Bridgeport, CT |
| Manufacturer: |
| Not known to have been produced |
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Patent Dates:
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| Granted: |
Jul. 27, 1869 |
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Patent Pictures:
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H.A. House Pat. July 27, 1869 |
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Stan Schulz
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Description: |
| An internal tension spring takes up any slack from wear so that the adjustable jaw is always open to the full extent of its adjustment. The spring runs between the jaw and the ferule enclosed within the adjusting screw. |
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