US Patent: 991,681
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| Carriage wrench
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Patentee:
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| Chester A. Winchenbach (exact or similar names) - Waldboro, ME |
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Patent Dates:
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| Applied: |
Aug. 15, 1910 |
| Granted: |
May 09, 1911 |
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Patent Pictures:
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Chester A. Winchenbach Patent May 9, 1911 |
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Stan Schulz
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Description: |
| The outer jaw segment is adjustable. It has teeth that engage rack teeth cut in the wrench frame. The inner jaw pivots. It is moved by the auxiliary lever. The wrench frame and lever are made of bent flat iron. Known example marked only with the patent date. |
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