Patent US4835110A successfully refreshed from Google Patents.
Patent US3074768A successfully refreshed from Google Patents.
US3074768A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Bearing
Assignee: TANN CORP
•
Filing: 1959-08-17
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Granted: 1963-01-22
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Expires: 1979-08-17
Abstract
No abstract record available.
Inventors
- 👤 Martin L Abel
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 03:19
CPC Classifications
F; F16; F16C; F16C33/00; F16C33/02; F16C33/04; F16C33/06; F16C33/10; F16C33/1025; F16C33/103
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
160 words
A BEARING FOR SUPPORTING A SHAFT COMPRISING A PAIR OF AXIALLY SPACED COAXIALLY ALIGNED BEARING ELEMENTS, EACH OF SAID BEARING ELEMENTS BEING ADAPTED TO SUPPORT RADIAL LOADS IMPOSED THEREON BY THE SHAFT, A HOUSING EXTENDING OVER SAID BEARING ELEMENTS AND COOPERATING THEREWITH TO DEFINE A MAIN LUBRICANT RESERVOIR BETWEEN THE ELEMENTS, SECONDARY RESERVOIR MEANS IN EACH OF SAID BEARING ELEMENTS COMMUNICATING WITH SAID MAIN RESERVOIR, SAID BEARING ELEMENTS BEING PERVIOUS TO THE FLOW OF LUBRICANT TO TRANSMIT LUBRICANT FROM SAID SECONDARY RESERVOIRS TO THE SURFACE OF THE PORTION OF THE SHAFT SUPPORTED THEREBY, MEANS ADJACENT TO AT LEAST ONE END OF THE BEARING FOR RECIRCULATING LUBRICANT THAT MAY PASS ALONG THE SHAFT AND OUT FROM BENEATH THE BEARING ELEMENT ADJACENT THERETO BACK INTO THE SECONDARY RESERVOIRS OF SAID BEARING ELEMENT, AND SEAL MEANS MOUNTED WITHIN SAID ONE END OF THE HOUSING OUTWARDLY OF THE RECIRCULATING MEANS ADJACENT THERETO TO PREVENT FOREIGN MATTER FROM PASSING ALONG THE SHAFT INTO THE BEARING.
Claim 2
Dependent Claim
160 words
A BEARING FOR SUPPORTING A SHAFT COMPRISING A PAIR OF AXIALLY SPACED COAXIALLY ALIGNED BEARING ELEMENTS, EACH OF SAID BEARING ELEMENTS BEING ADAPTED TO SUPPORT RADIAL LOADS IMPOSED THEREON BY THE SHAFT, A HOUSING EXTENDING OVER SAID BEARING ELEMENTS AND COOPERATING THEREWITH TO DEFINE A MAIN LUBRICANT RESERVOIR BETWEEN THE ELEMENTS, SECONDARY RESERVOIR MEANS IN EACH OF SAID BEARING ELEMENTS COMMUNICATING WITH SAID MAIN RESERVOIR, SAID BEARING ELEMENTS BEING PERVIOUS TO THE FLOW OF LUBRICANT TO TRANSMIT LUBRICANT FROM SAID SECONDARY RESERVOIRS TO THE SURFACE OF THE PORTION OF THE SHAFT SUPPORTED THEREBY, MEANS ADJACENT TO AT LEAST ONE END OF THE BEARING FOR RECIRCULATING LUBRICANT THAT MAY PASS ALONG THE SHAFT AND OUT FROM BENEATH THE BEARING ELEMENT ADJACENT THERETO BACK INTO THE SECONDARY RESERVOIRS OF SAID BEARING ELEMENT, AND SEAL MEANS MOUNTED WITHIN SAID ONE END OF THE HOUSING OUTWARDLY OF THE RECIRCULATING MEANS ADJACENT THERETO TO PREVENT FOREIGN MATTER FROM PASSING ALONG THE SHAFT INTO THE BEARING.
References Cited (Backward Citations)
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US2704232A
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US2964363A
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-01-21 | 1966-07-23 | 1967-01-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-01-21 | 1970-07-23 | 1971-01-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-01-21 | 1974-07-23 | 1975-01-22 | $7700.00 | Window Closed / Lapsed |