US Patent: 902,000
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| Quick-Acting Wrench
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Patentee:
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| Claude E. Ragsdale (exact or similar names) - Trafalgar, IN |
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Patent Dates:
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| Applied: |
Nov. 18, 1907 |
| Granted: |
Oct. 27, 1908 |
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Patent Pictures:
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Patent 902,000 - edited image |
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Stan Schulz
U.S. 902,000 in ESPACENET
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Description: |
| Structure using "interrupted thread" adjusting nut and interior secondary support to make a "quick and screw-adjust" nut wrench. The patent presents options for the internal structure.
A known example identified in "Antique and Unusual Wrenches" by Schulzes listed as "AUTOMATIC Pat. 902000."
A corresponding Canadian patent Ca-121,172 was published Oct. 12, 1909. |
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