US Patent: 3,389,921
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| Seal Adapted for a Link Belt Assembly
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Patentee:
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| Bruno V. Lojkutz (exact or similar names) - Chicago, Cook County, IL |
| Manufacturer: |
| Not known to have been produced |
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Patent Dates:
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| Applied: |
Jun. 08, 1964 |
| Granted: |
Jun. 25, 1968 |
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Joel Havens
"Vintage Machinery" entry for Gits Bros. Mfg. Co.
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Description: |
| Claim:
A seal ring which comprises, a flat metal washer ring having a smooth sealing face adapted to ride on a part to be sealed, an elastomeric ring bonded to the opposite face of said washer ring, said elastomeric ring in its free state having inner and outer peripheries substantially flush with the inner and outer peripheries of said washer ring, said elastomeric ring having a crowned exposed face contoured to slope more acutely from its apex to one of said peripheries than to the other of said peripheries, said one of said peripheries being axially thinner than the other of said peripheries, and said elastomeric ring when flattened under axial load having the periphery at the terminal end of the acute sloping crowned face portion extended beyond the metal washer ring, said extended periphery being adapted to seat on an adjacent member to carry the metal washer ring while the flattened elastomeric ring urges the metal washer ring against a part to be sealed. |
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