US Patent: 69,399
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Ratchet Drill
Improvement in Ratchet-Braces
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Patentee:
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| William Brown (exact or similar names) - Hoboken, NJ |
| Manufacturer: |
| Not known to have been produced |
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Patent Dates:
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| Granted: |
Oct. 01, 1867 |
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Patent Pictures:
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William Brown Pat. Oct. 1, 1867 |
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Stan Schulz
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Description: |
| The patent is for the spherical toothed surface and corresponding curved face ratchet tooth with enables the ratchet handle to work through a wide range of angles in relation to the axis of the drill. This device has no provision for reverse action. |
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