US Patent: 255,039
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| Lathe-chuck
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Patentee:
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| James N. Skinner (exact or similar names) - New Britain, Hartford County, CT |
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Patent Dates:
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| Applied: |
Nov. 25, 1881 |
| Granted: |
Mar. 14, 1882 |
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Joel Havens
"Vintage Machinery" entry for Skinner Chuck Co.
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Description: |
| Theodore G. Ellis - patent attorney
The object of my present invention is to provide a better method of shifting the ring which raises the rack for uniting the pinions oil the jaw-screws, and for holding it in place, when the rack is engaged with the jaws for making the chuck universal.
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