US Patent: 2,646,711
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| Ratchet Wrench
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Patentee:
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| Sylvan Yavner (exact or similar names) - Norfolk, VA |
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Patent Dates:
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| Applied: |
Jul. 31, 1952 |
| Granted: |
Jul. 28, 1953 |
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Patent Pictures:
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1 | 2
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Patent 2,646,711 - edited drawing |
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Stan Schulz
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Description: |
| Ratchet action jaw component encompassed in an adjustable jaw open end wrench. Presented as an improvement to Yavner's prior patent 2,592,781. Corresponding Canadian patent CA-501,224 was published April 6, 1954.
All three patent numbers appear on a known example of a ratchet action open end YAVNER Wrench. A social media post about the wrench noted Yavner (1914-2010) created a company to produce and market the wrench at Norfolk, VA.
The specifications refer to 1,512,180; 2,565,154; 2,574,834 and 2,600,693 as relevant prior art. |
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