US3140903A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Seal for railway car journal bearing
Assignee: Clevite Corp
•
Filing: 1962-06-13
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Granted: 1964-07-14
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Expires: 1982-06-13
Abstract
No abstract record available.
Inventors
- 👤 John E Stricklin
- 👤 Ronald R Mattingly
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 11:14
CPC Classifications
F; F16; F16C; F16C33/00; F16C33/72; F16C33/74; B; B61; B61F; B61F15/00; B61F15/12; B61F15/16; B61F15/20; B61F15/22; F16J; F16J15/00; F16J15/16; F16J15/32; F16J15/3204; F16J15/3232; F16C2326/00; F16C2326/10
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
220 words
A LUBRICANT SEAL FOR BEARING MEANS FOR A RAILWAY CAR AXLE HAVING A FIRST SECTION OF ONE DIAMETER AND AN END SECTION OF A SMALLER DIAMETER, SAID BEARING MEANS COMPRISING A HOUSING HAVING ONE END OPEN AND THE OTHER END CLOSED AND THE HOUSING BEING POSITIONED OVER THE END SECTION OF THE RAILWAY CAR AXLE WITH ITS OPEN END DISPOSED ADJACENT THE FIRST SECTION OF THE RAILWAY CAR AXLE AND THE INTERIOR BOTTOM SURFACE OF THE HOUSING FORMING A LUBRICANT RESERVOIR AND THE UPPER PORTION OF THE OPEN END OF THE HOUSING BEING PROVIDED WITH A PASSAGE IN COMMUNICATION WITH THE ATMOSPHERE, A LUBRICANT IN THE LUBRICANT RESERVOIR, SAID SEAL COMPRISING A FIRST ANNULAR MEMBER SURROUNDING AND IN ENGAGEMENT WITH THE FIRST SECTION OF THE RAILWAY CAR AXLE AND EXTENDING OVER THE OPEN END OF THE HOUSING TO PREVENT DUST FROM ENTERING THE HOUSING, A SECOND ANNULAR MEMBER SURROUNDING AND IN ENGAGEMENT WITH THE END SECTION OF THE RAILWAY CAR AXLE AND MOUNTED ON THE OPEN END OF THE HOUSING TO PREVENT LUBRICANT FROM LEAKING FROM THE INTERIOR OF THE HOUSING, AND A THIRD ANNULAR MEMBER SURROUNDING THE END SECTION OF THE RAILWAY CAR AXLE AND IN ENGAGEMENT WITH THE HOUSING AND MOUNTED ON THE SECOND ANNULAR MEMBER TO MINIMIZE LUBRICANT PARTICLES FLOWING OUT THROUGH THE PASSAGE TO THE ATMOSPHERE.
Claim 2
Dependent Claim
220 words
A LUBRICANT SEAL FOR BEARING MEANS FOR A RAILWAY CAR AXLE HAVING A FIRST SECTION OF ONE DIAMETER AND AN END SECTION OF A SMALLER DIAMETER, SAID BEARING MEANS COMPRISING A HOUSING HAVING ONE END OPEN AND THE OTHER END CLOSED AND THE HOUSING BEING POSITIONED OVER THE END SECTION OF THE RAILWAY CAR AXLE WITH ITS OPEN END DISPOSED ADJACENT THE FIRST SECTION OF THE RAILWAY CAR AXLE AND THE INTERIOR BOTTOM SURFACE OF THE HOUSING FORMING A LUBRICANT RESERVOIR AND THE UPPER PORTION OF THE OPEN END OF THE HOUSING BEING PROVIDED WITH A PASSAGE IN COMMUNICATION WITH THE ATMOSPHERE, A LUBRICANT IN THE LUBRICANT RESERVOIR, SAID SEAL COMPRISING A FIRST ANNULAR MEMBER SURROUNDING AND IN ENGAGEMENT WITH THE FIRST SECTION OF THE RAILWAY CAR AXLE AND EXTENDING OVER THE OPEN END OF THE HOUSING TO PREVENT DUST FROM ENTERING THE HOUSING, A SECOND ANNULAR MEMBER SURROUNDING AND IN ENGAGEMENT WITH THE END SECTION OF THE RAILWAY CAR AXLE AND MOUNTED ON THE OPEN END OF THE HOUSING TO PREVENT LUBRICANT FROM LEAKING FROM THE INTERIOR OF THE HOUSING, AND A THIRD ANNULAR MEMBER SURROUNDING THE END SECTION OF THE RAILWAY CAR AXLE AND IN ENGAGEMENT WITH THE HOUSING AND MOUNTED ON THE SECOND ANNULAR MEMBER TO MINIMIZE LUBRICANT PARTICLES FLOWING OUT THROUGH THE PASSAGE TO THE ATMOSPHERE.
References Cited (Backward Citations)
US2923581A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1967-07-14 | 1968-01-13 | 1968-07-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-07-14 | 1972-01-13 | 1972-07-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-07-14 | 1976-01-13 | 1976-07-14 | $7700.00 | Window Closed / Lapsed |