US Patent: 573,732
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| Ratchet Wrench
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Patentee:
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| Edward T. Warn (exact or similar names) - Maiden, MT |
| Manufacturer: |
| Not known to have been produced |
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Patent Dates:
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| Applied: |
Aug. 11, 1896 |
| Granted: |
Dec. 22, 1896 |
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Patent Pictures:
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Edward T. Warn patent December 22 ,1896 |
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Stan Schulz
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Description: |
| Adjustable jaw ratchet wrench. The component parts of the ratchet head are contained within an enclosing band. The jaw adjustment is accomplished by a circular rack and pinion which can be turned by a second pinion connected to a shaft extending to the end of the handle. A compression spring holds this second pinion out of engagement with with circular rack. |
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