US3266596A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Lubrication of bearings
Assignee: Rolls Royce PLC
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Filing: 1963-07-01
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Granted: 1966-08-16
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Expires: 1983-07-01
Abstract
No abstract record available.
Inventors
- 👤 Blackhurst Robert Vaughan
- 👤 Evans Eric
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 04:11
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
189 words
APPARATUS COMPRISING A CASING, A FIRST BEARING WHICH IS MOUNTED WITHIN AND CARRIED BY SAID CASING, A FIRST SHAFT WHICH IS ROTATABLY MOUNTED IN AND SUPPORTED BY THE FIRST BEARING, AN ANNULAR MEMBER WHICH IS MOUNTED WITHIN AND RADIALLY SPACED FROM SAID FIRST SHAFT AND WHICH IS CARRIED BY SAID CASING, AN ANNULAR LUBRICATING OIL RESERVOIR WHICH IS CARRIED BY SAID ANNULAR MEMBER, A SECOND BEARING WHICH IS MOUNTED WITHIN AND CARRIED BY SAID ANNULAR MEMBER, A FIRST OIL CONDUIT WHICH EXTENDS THROUGH THE ANNULAR MEMBER TO SAID RESERVOIR, A SECOND OIL CONDUIT WHICH COMMUNICATES BOTH WITH THE FIRST OIL CONDUIT AND WITH THE SECOND BEARING, A SECOND SHAFT WHICH IS ROTATABLY MOUNTED IN AND SUPPORTED BY THE SECOND BEARING, A FRUSTO-CONICAL MEMBER ROTATABLE BY SAID FIRST SHAFT, SAID FRUSTO-CONICAL MEMBER HAVING A SMALLER DIAMETER PART DIVERGING INTO A LARGER DIAMETER PART, MEANS ENABLING LUBRICATING OIL FROM SAID RESERVOIR TO DRIP ONTO THE SMALLER DIAMETER PART OF THE FRUSTO-CONICAL MEMBER, MEANS ENABLING LUBRICATING OIL TO PASS THE LARGER DIAMETER PART OF THE FRUSTO-CONICAL MEMBER TO THE FIRST BEARING, AND MEANS FOR SUPPLYING LUBRICATING OIL TO SAID FIRST OIL CONDUIT.
Claim 2
Dependent Claim
189 words
APPARATUS COMPRISING A CASING, A FIRST BEARING WHICH IS MOUNTED WITHIN AND CARRIED BY SAID CASING, A FIRST SHAFT WHICH IS ROTATABLY MOUNTED IN AND SUPPORTED BY THE FIRST BEARING, AN ANNULAR MEMBER WHICH IS MOUNTED WITHIN AND RADIALLY SPACED FROM SAID FIRST SHAFT AND WHICH IS CARRIED BY SAID CASING, AN ANNULAR LUBRICATING OIL RESERVOIR WHICH IS CARRIED BY SAID ANNULAR MEMBER, A SECOND BEARING WHICH IS MOUNTED WITHIN AND CARRIED BY SAID ANNULAR MEMBER, A FIRST OIL CONDUIT WHICH EXTENDS THROUGH THE ANNULAR MEMBER TO SAID RESERVOIR, A SECOND OIL CONDUIT WHICH COMMUNICATES BOTH WITH THE FIRST OIL CONDUIT AND WITH THE SECOND BEARING, A SECOND SHAFT WHICH IS ROTATABLY MOUNTED IN AND SUPPORTED BY THE SECOND BEARING, A FRUSTO-CONICAL MEMBER ROTATABLE BY SAID FIRST SHAFT, SAID FRUSTO-CONICAL MEMBER HAVING A SMALLER DIAMETER PART DIVERGING INTO A LARGER DIAMETER PART, MEANS ENABLING LUBRICATING OIL FROM SAID RESERVOIR TO DRIP ONTO THE SMALLER DIAMETER PART OF THE FRUSTO-CONICAL MEMBER, MEANS ENABLING LUBRICATING OIL TO PASS THE LARGER DIAMETER PART OF THE FRUSTO-CONICAL MEMBER TO THE FIRST BEARING, AND MEANS FOR SUPPLYING LUBRICATING OIL TO SAID FIRST OIL CONDUIT.
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) | 1969-08-15 | 1970-02-14 | 1970-08-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-08-15 | 1974-02-14 | 1974-08-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-08-15 | 1978-02-14 | 1978-08-16 | $7700.00 | Window Closed / Lapsed |