US Patent: 3,592,479
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| Shaft Seal
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Patentee:
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| Raymond H. Andresen (exact or similar names) - Barrington, Cook County, IL |
| Manufacturer: |
| Not known to have been produced |
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Patent Dates:
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| Applied: |
Mar. 05, 1969 |
| Granted: |
Jul. 13, 1971 |
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Joel Havens
"Vintage Machinery" entry for Gits Bros. Mfg. Co.
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Description: |
| Abstract:
A shaft seal having a U-shaped cross section ring housing adapted to encircle the shaft, the "U" opening axially, a carbon nose member projecting from the open end and urged axially by a spring force, a J-shaped cross section secondary seal ring having the long leg thereof urged axially against the back side of the nose member within the housing and the bight thereof urged radially against the inner diameter wall of the housing, the secondary seal being positioned so as to be urged into greater sealing contact in dependent response to the pressure contained. |
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