Patent EP0055536A2 successfully refreshed from Google Patents.
US3154355A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Equalizing thrust load between thrust bearings
Assignee: Kingsbury Machine Works Inc
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Filing: 1963-05-15
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Granted: 1964-10-27
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Expires: 1983-05-15
Abstract
No abstract record available.
Inventors
- 👤 James E Mccafferty
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 05:22
CPC Classifications
F; F16; F16C; F16C17/00; F16C17/04; F16C17/06; F16C17/26; F16C41/00; F16C41/02
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
182 words
IN APPARATUS FOR EQUALIZING THRUST LOAD BETWEEN THRUST BEARINGS OF THE KINGSBURY TYPE, A SHAFT, SPACED THRUST COLLARS ON SAID SHAFT, A KINGSBURY TYPE THRUST BEARING DISPOSED ABOUT SAID SHAFT FOR EACH OF SAID COLLARS, A PLURALITY OF THRUST BEARING SHOES FOR EACH OF SAID THRUST BEARINGS, THE SHOES OF THE FIRST OF SAID THRUST BEARINGS ENGAGING THEIR RESPECTIVE THRUST COLLAR AT ALL TIMES, THE SHOES OF THE OTHERS OF SAID THRUST BEARINGS BEING OUT OF ENGAGEMENT WITH THEIR RESPECTIVE THRUST COLLAR WHEN SAID SHAFT IS AT REST, THE BEARING SURFACES OF SAID SHOES AND OF SAID THRUST COLLARS BEING SUBMERGED IN LUBRICATING OIL, MEANS FOR COLLECTING LUBRICATING OIL UNDER PRESSURE FROM THE BEARING SURFACE OF AT LEAST ONE OF SAID SHOES OF SAID FIRST THRUST BEARING WHEN SAID SHAFT IS ROTATED, EXPANSIBLE MEANS BENEATH EACH OF SAID SHOES OF SAID OTHER THRUST BEARINGS, AND MEANS FOR CONDUCTING THE LUBRICATING OIL UNDER PRESSURE FROM SAID FIRST THRUST BEARING TO SAID EXPANSIBLE MEANS WHEREBY SAID BEARING SHOES OF SAID OTHER THRUST BEARINGS ARE MOVED INTO THRUST RECEIVING ENGAGEMENT WITH THEIR RESPECTIVE THRUST COLLAR.
Claim 2
Dependent Claim
182 words
IN APPARATUS FOR EQUALIZING THRUST LOAD BETWEEN THRUST BEARINGS OF THE KINGSBURY TYPE, A SHAFT, SPACED THRUST COLLARS ON SAID SHAFT, A KINGSBURY TYPE THRUST BEARING DISPOSED ABOUT SAID SHAFT FOR EACH OF SAID COLLARS, A PLURALITY OF THRUST BEARING SHOES FOR EACH OF SAID THRUST BEARINGS, THE SHOES OF THE FIRST OF SAID THRUST BEARINGS ENGAGING THEIR RESPECTIVE THRUST COLLAR AT ALL TIMES, THE SHOES OF THE OTHERS OF SAID THRUST BEARINGS BEING OUT OF ENGAGEMENT WITH THEIR RESPECTIVE THRUST COLLAR WHEN SAID SHAFT IS AT REST, THE BEARING SURFACES OF SAID SHOES AND OF SAID THRUST COLLARS BEING SUBMERGED IN LUBRICATING OIL, MEANS FOR COLLECTING LUBRICATING OIL UNDER PRESSURE FROM THE BEARING SURFACE OF AT LEAST ONE OF SAID SHOES OF SAID FIRST THRUST BEARING WHEN SAID SHAFT IS ROTATED, EXPANSIBLE MEANS BENEATH EACH OF SAID SHOES OF SAID OTHER THRUST BEARINGS, AND MEANS FOR CONDUCTING THE LUBRICATING OIL UNDER PRESSURE FROM SAID FIRST THRUST BEARING TO SAID EXPANSIBLE MEANS WHEREBY SAID BEARING SHOES OF SAID OTHER THRUST BEARINGS ARE MOVED INTO THRUST RECEIVING ENGAGEMENT WITH THEIR RESPECTIVE THRUST COLLAR.
References Cited (Backward Citations)
US1169206A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1967-10-27 | 1968-04-27 | 1968-10-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-10-27 | 1972-04-27 | 1972-10-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-10-27 | 1976-04-27 | 1976-10-27 | $7700.00 | Window Closed / Lapsed |