US Patent: 629,045
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| Wrench
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Patentee:
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| Archibald McKaig (exact or similar names) - Buffalo, NY |
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Patent Dates:
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| Applied: |
Sep. 10, 1898 |
| Granted: |
Jul. 18, 1899 |
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Patent Pictures:
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Archibald McKaig patent July 18, 1899 |
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Stan Schulz
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Description: |
| The adjusting ring has interrupted threads, so that a part turn disengages the threads and allows for rapid adjustment.
According to Ken Cope's "American Wrench Makers 1830-1930," McKaig-Dorntge Drop Forging produced the wrench. The company's plant was destroyed by fire in Dec. 1900. |
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