US3294457A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Self-lubricating bearing
Assignee: General Electric Co
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Filing: 1964-04-29
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Granted: 1966-12-27
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Expires: 1984-04-29
Abstract
No abstract record available.
Inventors
- 👤 Theron C Johnson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 13:45
CPC Classifications
F; F16; F16C; F16C33/00; F16C33/02; F16C33/04; F16C33/06; F16C33/10; F16C33/1025; F16C33/103; F16C33/1045
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
187 words
A SELF-LUBRICATING BEARING COMPRISING A PEDESTAL HAVING A SHAFT EXTENDING AXIALLY THERETHROUGH, SEAL MEANS ON OPPOSITE ENDS OF SAID PEDESTAL FOR PREVENTING LEAKAGE OF OIL FROM THE PEDESTAL WHEN THE SHAFT IS ROTATING, BEARING SHELLS IN SAID PEDESTAL COACTING WITH THE JOURNAL SURFACE TO FORM A JOURNAL BEARING FOR THE SHAFT, MEANS ON SAID SHAFT DESIGNED FOR IMMERSION IN AN OIL RESERVOIR WHEN THE SHAFT IS ROTATING A DEVICE ATTACHED TO THE PEDESTAL AND COACTING WITH SAID SHAFT MEANS FOR CAUSING OIL PICKED UP BY SAID MEANS DURING SHAFT ROTATION TO MOVE CIRCUMFERENTIALLY AND UPWARDLY IN A UNIFORM FLOW PATTERN TO THE TOP OF THE PEDESTAL, SAID DEVICE COMPRISING A CONTINUOUS CHANNEL SHAPED MEMBER IN SAID RESERVOIR AND HAVING A BOTTOM THEREOF SPACED FROM AND CONSAID CHANNEL SHAPED MEMBER SPACED FROM AND CONCENTRIC WITH SAID SHAFT MEANS, MEANS IN SAID PEDESTAL POSITIONED NEAR THE TOP OF SAID BEARING FOR DIVERTING OIL CARRIED UPWARDLY BY SAID SHAFT MEANS FOR DELIVERY TO A PORT COMMUNICATING WITH A PASSAGEWAY IN SAID BEARING, AND AN OUTLET IN SAID BEARING FOR PERMITTING THE RETURN OF OIL FROM THE BEARING TO THE SUMP.
Claim 2
Dependent Claim
187 words
A SELF-LUBRICATING BEARING COMPRISING A PEDESTAL HAVING A SHAFT EXTENDING AXIALLY THERETHROUGH, SEAL MEANS ON OPPOSITE ENDS OF SAID PEDESTAL FOR PREVENTING LEAKAGE OF OIL FROM THE PEDESTAL WHEN THE SHAFT IS ROTATING, BEARING SHELLS IN SAID PEDESTAL COACTING WITH THE JOURNAL SURFACE TO FORM A JOURNAL BEARING FOR THE SHAFT, MEANS ON SAID SHAFT DESIGNED FOR IMMERSION IN AN OIL RESERVOIR WHEN THE SHAFT IS ROTATING A DEVICE ATTACHED TO THE PEDESTAL AND COACTING WITH SAID SHAFT MEANS FOR CAUSING OIL PICKED UP BY SAID MEANS DURING SHAFT ROTATION TO MOVE CIRCUMFERENTIALLY AND UPWARDLY IN A UNIFORM FLOW PATTERN TO THE TOP OF THE PEDESTAL, SAID DEVICE COMPRISING A CONTINUOUS CHANNEL SHAPED MEMBER IN SAID RESERVOIR AND HAVING A BOTTOM THEREOF SPACED FROM AND CONSAID CHANNEL SHAPED MEMBER SPACED FROM AND CONCENTRIC WITH SAID SHAFT MEANS, MEANS IN SAID PEDESTAL POSITIONED NEAR THE TOP OF SAID BEARING FOR DIVERTING OIL CARRIED UPWARDLY BY SAID SHAFT MEANS FOR DELIVERY TO A PORT COMMUNICATING WITH A PASSAGEWAY IN SAID BEARING, AND AN OUTLET IN SAID BEARING FOR PERMITTING THE RETURN OF OIL FROM THE BEARING TO THE SUMP.
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) | 1969-12-26 | 1970-06-27 | 1970-12-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-12-26 | 1974-06-27 | 1974-12-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-12-26 | 1978-06-27 | 1978-12-27 | $7700.00 | Window Closed / Lapsed |