US3587780A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Bearing lubrication device
Assignee: Sundstrand Corp
•
Filing: 1969-01-10
•
Granted: 1971-06-28
•
Expires: 1989-01-10
Abstract
Abstract AN AUXILIARY LUBRICATION DEVICE FOR AN AXIAL THRUST BEARING ASSEMBLY WHEREIN A SHAFT THRUST BEARING IS SUPPLIED LUBRICATING OIL FROM A LUBRICATION PUMP INCLUDING A THRUST RUNNER ROTATABLE WITH THE SHAFT WITH A BEARING SURFACE ON ONE END THEREOF ENGAGING A RELATIVELY STATIONARY BEARING SURFACE AND A RESERVOIR EITHER WITHIN THE SHAFT ITSELF OR THE ROTATING RUNNER SO DISPOSED RELATIVE TO THE BEARING SURFACES THAT UPON SHAFT STARTUP LUBRICATING FLUID IS TEMPORARILY SUPPLIED BY CENTRIFUGAL FORCE PUMPING THE FLUID FROM THE RESERVOIR TO THE BEARING SURFACES.
Inventors
- 👤 Harold R Perriman
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 17:55
CPC Classifications
F; F16; F16C; F16C33/00; F16C33/30; F16C33/66; F16C33/6637; F16C33/6659; F16C33/02; F16C33/04; F16C33/06; F16C33/10; F16C33/1025; F16C33/103; F16C33/664; F16C33/6651; F16N; F16N7/00; F16N7/36; F16N7/366; F16N9/00; F16N9/02; F01; F01M; F01M5/00; F01M2005/008
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1974-06-27 | 1974-12-27 | 1975-06-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-06-27 | 1978-12-27 | 1979-06-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-06-27 | 1982-12-27 | 1983-06-28 | $7700.00 | Window Closed / Lapsed |