US Patent: 234,994
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| Wrench
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Patentee:
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| William H. Lightcap (exact or similar names) - Hazel Green, WI |
| Manufacturer: |
| Not known to have been produced |
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Patent Dates:
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| Applied: |
Mar. 22, 1880 |
| Granted: |
Nov. 30, 1880 |
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Patent Pictures:
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William H. Lightcap patent November 30, 1880 |
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Stan Schulz
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Description: |
| The movable jaw and back of the shank have threads. The adjusting ring has matching threads, and a cut out matching the width of the movable jaw. In operation, the gap in the adjusting ring is aligned with the movable jaw allowing quick adjustment. Then the adjusting ring is turned to hold and finish the adjustment. |
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