US Patent: 494,631
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| Chuck Or Holder For Tools, & c.
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Patentee:
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| Antoine Fleurant (exact or similar names) - Macon, France |
| Manufacturer: |
| Not known to have been produced |
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Patent Dates:
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| Applied: |
Sep. 02, 1891 |
| Granted: |
Apr. 04, 1893 |
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Patent Pictures:
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Antoine Fleurant patent April 4, 1893 |
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Stan Schulz
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Description: |
| Spiral wedges on the external sleeve wedge gripping heads through slots in the interior tube and against the tang of the tool being held.
French patent no. 211,409 granted February 18, 1891. |
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