US Patent: 838,109
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| Ratchet Wrench
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Patentees:
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| Frederick A. Hanes (exact or similar names) - Huntsville, ON Canada |
| William Staples (exact or similar names) - Huntsville, ON Canada |
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Patent Dates:
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| Applied: |
Jun. 15, 1906 |
| Granted: |
Dec. 11, 1906 |
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Patent Pictures:
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Patent 838,109 - edited drawing |
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Stan Schulz
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Description: |
| The patent claims the ratchet structure including latch features for interchangeable sockets, etc. The specifications state this is an improvement on 818,761, and note a socket form usable for square or hex nuts, with an open center allowing a long bolt, etc. to pass through as a nut is drawn tight.
A known example has date markings suggesting predecessor Canadian patent CA-95,354. |
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