US Patent: 334,816
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| Vise
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Patentee:
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| John J. Spilker (exact or similar names) - Cincinnati, OH |
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Patent Dates:
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| Applied: |
Oct. 02, 1885 |
| Granted: |
Jan. 26, 1886 |
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Carl Matthews
"Vintage Machinery" entry for J. J. Spilker
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Description: |
| This is a cam-activated vise. When the handle is raised, the movable jaw can be slid against the work piece. When the handle is lowered, the movable jaw tightens and a cam-over action holds the handle down. The inventor, J. J. Spilker, is much better known as a maker of a miter chopper that was popular with picture framers. |
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