US Patent: 87,774
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Improvement in Wrenches Mode of Constructing a Tubular Adjusting Screw-Wrench
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Patentee:
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Henry Wheaton Hewet (exact or similar names) - New York, NY |
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Patent Dates:
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Granted: |
Mar. 16, 1869 |
Antedated: |
Feb. 27, 1869 |
Patent Pictures:
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Henry W. Wheaton patent Febr. 27, 1869 |
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Stan Schulz
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Description: |
Tubular adjustment member with male threads engages female threads cut in adjustable jaw. The patent drawings show internal handle differences between iron handle and wood handle versions.
The 5 inch size was marketed as the Hewet "Little Giant" Screw Wrench. An 1876 catalog from a Chicago firm offered 10, 12 and 15 inch sizes. |
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