Patent US3140128A successfully refreshed from Google Patents.
US3140128A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Self-lubricating bearing
Assignee: TANN CORP
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Filing: 1961-05-10
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Granted: 1964-07-07
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Expires: 1981-05-10
Abstract
No abstract record available.
Inventors
- 👤 Tann David
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 21:30
CPC Classifications
F; F16; F16C; F16C33/00; F16C33/02; F16C33/04; F16C33/06; F16C33/10; F16C33/1025; F16C33/103
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
132 words
A SELF-LUBRICATING PACKAGE BEARING COMPRISING AN OUTER RACE HAVING A CENTRAL APERTURE EXTENDING THERETHROUGH WITH A LUBRICANT RESERVOIR THEREIN, SAID OUTER RACE BEING ADAPTED TO TRANSMIT LUBRICANT FROM SAID RESERVOIR TO SAID APERTURE, AN END CAP SECURED TO AND SUPPORTED BY EACH END OF SAID OUTER RACE, EACH OF SAID END CAPS HAVING AN OPENING THEREIN SUBSTANTIALLY COAXIALLY ALIGNED WITH SAID APERTURE, AND AN OIL SLINGER FLOATINGLY POSITIONED BETWEEN EACH OF SAID END CAPS AND SAID OUTER RACE FOR LIMITED RADIAL MOVEMENT RELATIVE THERETO, EACH OF SAID OIL SLINGERS HAVING AN OUTSIDE DIAMETER GREATER THAN THE DIAMETER OF SAID OPENING IN THE END CAP ASSOCIATED THEREWITH AND AN INSIDE DIAMETER EQUAL TO THE DIAMETER OF SAID APERTURE, SAID RESERVOIR COMMUNICATING WITH THE ANNULAR SPACE WITHIN THE END CAPS SURROUNDING SAID OIL SLINGERS.
Claim 2
Dependent Claim
132 words
A SELF-LUBRICATING PACKAGE BEARING COMPRISING AN OUTER RACE HAVING A CENTRAL APERTURE EXTENDING THERETHROUGH WITH A LUBRICANT RESERVOIR THEREIN, SAID OUTER RACE BEING ADAPTED TO TRANSMIT LUBRICANT FROM SAID RESERVOIR TO SAID APERTURE, AN END CAP SECURED TO AND SUPPORTED BY EACH END OF SAID OUTER RACE, EACH OF SAID END CAPS HAVING AN OPENING THEREIN SUBSTANTIALLY COAXIALLY ALIGNED WITH SAID APERTURE, AND AN OIL SLINGER FLOATINGLY POSITIONED BETWEEN EACH OF SAID END CAPS AND SAID OUTER RACE FOR LIMITED RADIAL MOVEMENT RELATIVE THERETO, EACH OF SAID OIL SLINGERS HAVING AN OUTSIDE DIAMETER GREATER THAN THE DIAMETER OF SAID OPENING IN THE END CAP ASSOCIATED THEREWITH AND AN INSIDE DIAMETER EQUAL TO THE DIAMETER OF SAID APERTURE, SAID RESERVOIR COMMUNICATING WITH THE ANNULAR SPACE WITHIN THE END CAPS SURROUNDING SAID OIL SLINGERS.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1967-07-07 | 1968-01-06 | 1968-07-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-07-07 | 1972-01-06 | 1972-07-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-07-07 | 1976-01-06 | 1976-07-07 | $7700.00 | Window Closed / Lapsed |