US Patent: 531,628
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| Wrench
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Patentee:
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| John F. Fitzgerald (exact or similar names) - Worcester, MA |
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Patent Dates:
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| Applied: |
Apr. 22, 1892 |
| Granted: |
Jan. 01, 1895 |
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Patent Pictures:
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1 | 2
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John F. Fitzgerald patent January 1, 1895 |
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Stan Schulz
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Description: |
| The patent covers two features -- a "flip out" half-nut on the movable jaw to disengage the adjusting screw, and a screw-threaded section on the wrench shank providing support for the handle ferule by means of a threaded sleeve extending to the end nut which also supports the wooden handle.
A known example is marked in part, "FITGERALD WRENCH CO. WORCESTER MASS." |
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