US Patent: 3,389,916
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| Floating Ring Shaft Seal
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Patentee:
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| Edward C. Wahl (exact or similar names) - Arlington Heights, Cook County, IL |
| Manufacturer: |
| Not known to have been produced |
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Patent Dates:
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| Applied: |
Jul. 08, 1965 |
| 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 railroad journal box seal for mounting in the inboard cover of a railroad journal box in scaling relation with an axle supported by the journal which comprises: a smooth outer diameter surface sleeve press-fit on the axle, casing of U-shaped cross-section opening radially inwardly and press-fit into the journal box cover radially outward from the sleeve having a radially inner diameter spaced from the sleeve, a rigid seal ring in said casing having two radial side faces, a circumferential groove in one of said side faces, an elastomeric O-ring seal in said groove, a wave spring between the other of said side faces and a side of the casing urging the seal ring against the O-ring and the O-ring into sealing engagement with the casing, means in said casing holding said seal ring against rotation, the axially extending wall portion of the casing spaced from the outer diameter of the seal ring allowing free radial shifting of the seal ring under shaft throw-out conditions and the inner diameter of the seal ring being smooth and spaced from the sleeve by a shallow running clearance air gap. |
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