US Patent: 490,107
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| Packing
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Patentee:
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| Robert G. Ferguson (exact or similar names) - Lakewood, NJ |
| Manufacturer: |
| Not known to have been produced |
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Patent Dates:
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| Applied: |
Feb. 19, 1892 |
| Granted: |
Jan. 17, 1893 |
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Patent Pictures:
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Robert G. Ferguson patent January 17, 1893 |
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Stan Schulz
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Description: |
| Stem packing system for piston rods. A notched sleeve adjusts the tension of the packing coil around the rod. The sleeve is turned by a hook spanner. The packing coil may be made of Babbitt metal on a copper core, or analogous composition. |
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