US3264043A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Bearing assembly
Assignee: Rolls Royce PLC
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Filing: 1964-01-20
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Granted: 1966-08-02
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Expires: 1984-01-20
Abstract
No abstract record available.
Inventors
- 👤 Keen John Michael Storer
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 05:25
CPC Classifications
F; F16; F16C; F16C33/00; F16C33/30; F16C33/66; F16C33/6637; F16C33/6659; F01; F01D; F01D25/00; F01D25/18; F16C19/00; F16C19/02; F16C19/04; F16C19/06; F16C2360/00; F16C2360/23
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
142 words
A BEARING ASSEMBLY COMPRISING: A BEARING; MEANS FOR FEEDING A LUBRICANT TO SAID BEARING; MEANS FOR RECEIVING LUBRICANT PASSING FROM SAID BEARING; TWO MEMBERS RESPECTIVELY PROVIDED WITH CLOSELY ADJACENT FACES, AT LEAST ONEOF SAID MEMBERS BEING ROTATABLE ABOUT A GIVEN AXIS, AND SAID FACES OF SAID MEMBERS BEING INCLINED WITH RESPECT TO SAID GIVEN AXIS; AND AT LEAST ONE OF SAID FACES HAVING A HELICAL GROOVE, SAID HELICAL GROOVE HAVING OPPOSITE ENDS RESPECTIVELY DISPOSED CLOSER TO AND FURTHER FROM SAID GIVEN AXIS, SAID CLOSER END OF SAID HELICAL GROOVE BEING IN COMMUNICATION WITH SAID LUBRICANT RECEIVING MEANS FOR RECEIVING A LUBRICANT THEREFROM WHICH HAS PASSED THROUGH SAID BEARING, AND SAID FURTHER END OF SAID HELICAL GROOVE BEING IN COMMUNICATION WITH SAID BEARING AND DELIVERING LUBRICANT FROM SAID HELICAL GROOVE BACK TO SAID BEARING FOR RECIRCULATION THERETHROUGH INDEPENDENT OF SAID LUBRICANT FEEDING MEANS.
Claim 2
Dependent Claim
142 words
A BEARING ASSEMBLY COMPRISING: A BEARING; MEANS FOR FEEDING A LUBRICANT TO SAID BEARING; MEANS FOR RECEIVING LUBRICANT PASSING FROM SAID BEARING; TWO MEMBERS RESPECTIVELY PROVIDED WITH CLOSELY ADJACENT FACES, AT LEAST ONEOF SAID MEMBERS BEING ROTATABLE ABOUT A GIVEN AXIS, AND SAID FACES OF SAID MEMBERS BEING INCLINED WITH RESPECT TO SAID GIVEN AXIS; AND AT LEAST ONE OF SAID FACES HAVING A HELICAL GROOVE, SAID HELICAL GROOVE HAVING OPPOSITE ENDS RESPECTIVELY DISPOSED CLOSER TO AND FURTHER FROM SAID GIVEN AXIS, SAID CLOSER END OF SAID HELICAL GROOVE BEING IN COMMUNICATION WITH SAID LUBRICANT RECEIVING MEANS FOR RECEIVING A LUBRICANT THEREFROM WHICH HAS PASSED THROUGH SAID BEARING, AND SAID FURTHER END OF SAID HELICAL GROOVE BEING IN COMMUNICATION WITH SAID BEARING AND DELIVERING LUBRICANT FROM SAID HELICAL GROOVE BACK TO SAID BEARING FOR RECIRCULATION THERETHROUGH INDEPENDENT OF SAID LUBRICANT FEEDING MEANS.
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) | 1969-08-01 | 1970-01-31 | 1970-08-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-08-01 | 1974-01-31 | 1974-08-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-08-01 | 1978-01-31 | 1978-08-02 | $7700.00 | Window Closed / Lapsed |