US Patent: 257,874
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| Device For Converting Reciprocating Into Rotary Motion
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Patentee:
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| Wladyslaw T. Kosinski (exact or similar names) - Brooklyn, NY |
| Manufacturer: |
| Not known to have been produced |
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Patent Dates:
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| Applied: |
Oct. 18, 1881 |
| Granted: |
May 16, 1882 |
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Patent Pictures:
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Wladyslaw T. Kosinski patent May 16, 1882 |
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Stan Schulz
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Description: |
| The lever handle with a toothed cam-shaped end bears against the circumference of a circular head. A side spring is to hold the work piece against counter rotation. The patent shows the idea applied to a drill. The specifications note it also could be used for wrenches, screw-jack handles, etc. |
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