US Patent: 304,552
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| Follower Screw for Tobacco Presses
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Patentee:
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| John P. Parker (exact or similar names) - Ripley, Brown County, OH |
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Patent Dates:
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| Applied: |
Jun. 03, 1884 |
| Granted: |
Sep. 02, 1884 |
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Joel Havens
"Vintage Machinery" entry for Phoenix Foundry & Manufacturing Co.
Wikipedia entry for John P. Parker
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Description: |
| John P. Parker was a former slave who owned the Phoenix Foundry in Ripley, OH.
Abstract:
his invention relates to follower-screws adapted especially for tobacco-presses, but capable of being applied to packing-presses of all descriptions; and it consists in the proved construction and combination of parts.
Claim:
The combination of a screw hiaving a longitudinal groove cut across the threads into the solid part or barrel of the screw, a lever-nut having a notch corresponding in cross- section with the shape of the said groove, and a key adapted to fit into the said notch and groove, and having one of its sides projecting into the cutaway portion of the screw-barrel. |
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