US Patent: 686,776
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| Wrench
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Patentee:
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| Thomas E. Smythe (exact or similar names) - Galion, OH |
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Patent Dates:
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| Applied: |
Mar. 01, 1901 |
| Granted: |
Nov. 19, 1901 |
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Patent Pictures:
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Patent 686,776 - edited drawing & excerpt from 1906 ad |
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Stan Schulz
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Description: |
| "Slidable jaw wrench" with adjusting nut on a shaft extending from the movable jaw. The nut engages a rack on the shank, and can be lifted free for quick adjustment. A coil spring in the movable jaw provides pressure to keep the nut and rack engaged.
Used by the Monarch Wrench Co. (St. Louis) for wrenches advertised to railroads in 1906. |
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